2991372678

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1093}}^1$

素因数の和:1251

約数の個数: 144

約数和(自身を含む): 7879556880

約数和(自身を除く): 4888184202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 107, 126, 147, 174, 203, 214, 261, 294, 321, 406, 441, 522, 609, 642, 749, 882, 963, 1093, 1218, 1421, 1498, 1827, 1926, 2186, 2247, 2842, 3103, 3279, 3654, 4263, 4494, 5243, 6206, 6558, 6741, 7651, 8526, 9309, 9837, 10486, 12789, 13482, 15302, 15729, 18618, 19674, 21721, 22953, 25578, 27927, 31458, 31697, 43442, 45906, 47187, 53557, 55854, 63394, 65163, 68859, 94374, 95091, 107114, 116951, 130326, 137718, 152047, 160671, 190182, 195489, 221879, 233902, 285273, 304094, 321342, 350853, 390978, 443758, 456141, 482013, 570546, 665637, 701706, 818657, 912282, 964026, 1052559, 1331274, 1368423, 1553153, 1637314, 1996911, 2105118, 2455971, 2736846, 3106306, 3391579, 3993822, 4659459, 4911942, 5730599, 6783158, 7367913, 9318918, 10174737, 11461198, 13978377, 14735826, 17191797, 20349474, 23741053, 27956754, 30524211, 34383594, 47482106, 51575391, 61048422, 71223159, 103150782, 142446318, 166187371, 213669477, 332374742, 427338954, 498562113, 997124226, 1495686339, 2991372678]

約数ペア:

[(1, 2991372678), (2, 1495686339), (3, 997124226), (6, 498562113), (7, 427338954), (9, 332374742), (14, 213669477), (18, 166187371), (21, 142446318), (29, 103150782), (42, 71223159), (49, 61048422), (58, 51575391), (63, 47482106), (87, 34383594), (98, 30524211), (107, 27956754), (126, 23741053), (147, 20349474), (174, 17191797), (203, 14735826), (214, 13978377), (261, 11461198), (294, 10174737), (321, 9318918), (406, 7367913), (441, 6783158), (522, 5730599), (609, 4911942), (642, 4659459), (749, 3993822), (882, 3391579), (963, 3106306), (1093, 2736846), (1218, 2455971), (1421, 2105118), (1498, 1996911), (1827, 1637314), (1926, 1553153), (2186, 1368423), (2247, 1331274), (2842, 1052559), (3103, 964026), (3279, 912282), (3654, 818657), (4263, 701706), (4494, 665637), (5243, 570546), (6206, 482013), (6558, 456141), (6741, 443758), (7651, 390978), (8526, 350853), (9309, 321342), (9837, 304094), (10486, 285273), (12789, 233902), (13482, 221879), (15302, 195489), (15729, 190182), (18618, 160671), (19674, 152047), (21721, 137718), (22953, 130326), (25578, 116951), (27927, 107114), (31458, 95091), (31697, 94374), (43442, 68859), (45906, 65163), (47187, 63394), (53557, 55854)]