318995586

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 144

約数和(自身を含む): 887350464

約数和(自身を除く): 568354878

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 49, 63, 78, 86, 91, 98, 117, 126, 129, 147, 182, 234, 258, 273, 294, 301, 387, 441, 546, 559, 602, 637, 647, 774, 819, 882, 903, 1118, 1274, 1294, 1638, 1677, 1806, 1911, 1941, 2107, 2709, 3354, 3822, 3882, 3913, 4214, 4529, 5031, 5418, 5733, 5823, 6321, 7826, 8411, 9058, 10062, 11466, 11646, 11739, 12642, 13587, 16822, 18963, 23478, 25233, 27174, 27391, 27821, 31703, 35217, 37926, 40761, 50466, 54782, 55642, 58877, 63406, 70434, 75699, 81522, 82173, 83463, 95109, 117754, 151398, 164346, 166926, 176631, 190218, 194747, 246519, 250389, 285327, 353262, 361673, 389494, 412139, 493038, 500778, 529893, 570654, 584241, 723346, 824278, 1059786, 1085019, 1168482, 1236417, 1363229, 1752723, 2170038, 2472834, 2531711, 2726458, 3255057, 3505446, 3709251, 4089687, 5063422, 6510114, 7418502, 7595133, 8179374, 12269061, 15190266, 17721977, 22785399, 24538122, 35443954, 45570798, 53165931, 106331862, 159497793, 318995586]

約数ペア:

[(1, 318995586), (2, 159497793), (3, 106331862), (6, 53165931), (7, 45570798), (9, 35443954), (13, 24538122), (14, 22785399), (18, 17721977), (21, 15190266), (26, 12269061), (39, 8179374), (42, 7595133), (43, 7418502), (49, 6510114), (63, 5063422), (78, 4089687), (86, 3709251), (91, 3505446), (98, 3255057), (117, 2726458), (126, 2531711), (129, 2472834), (147, 2170038), (182, 1752723), (234, 1363229), (258, 1236417), (273, 1168482), (294, 1085019), (301, 1059786), (387, 824278), (441, 723346), (546, 584241), (559, 570654), (602, 529893), (637, 500778), (647, 493038), (774, 412139), (819, 389494), (882, 361673), (903, 353262), (1118, 285327), (1274, 250389), (1294, 246519), (1638, 194747), (1677, 190218), (1806, 176631), (1911, 166926), (1941, 164346), (2107, 151398), (2709, 117754), (3354, 95109), (3822, 83463), (3882, 82173), (3913, 81522), (4214, 75699), (4529, 70434), (5031, 63406), (5418, 58877), (5733, 55642), (5823, 54782), (6321, 50466), (7826, 40761), (8411, 37926), (9058, 35217), (10062, 31703), (11466, 27821), (11646, 27391), (11739, 27174), (12642, 25233), (13587, 23478), (16822, 18963)]