721021374

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2706

約数の個数: 96

約数和(自身を含む): 1767018240

約数和(自身を除く): 1045996866

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 31, 34, 51, 58, 62, 87, 93, 102, 153, 174, 186, 261, 279, 306, 493, 522, 527, 558, 899, 986, 1054, 1479, 1581, 1798, 2621, 2697, 2958, 3162, 4437, 4743, 5242, 5394, 7863, 8091, 8874, 9486, 15283, 15726, 16182, 23589, 30566, 44557, 45849, 47178, 76009, 81251, 89114, 91698, 133671, 137547, 152018, 162502, 228027, 243753, 267342, 275094, 401013, 456054, 487506, 684081, 731259, 802026, 1292153, 1368162, 1381267, 1462518, 2356279, 2584306, 2762534, 3876459, 4143801, 4712558, 7068837, 7752918, 8287602, 11629377, 12431403, 14137674, 21206511, 23258754, 24862806, 40056743, 42413022, 80113486, 120170229, 240340458, 360510687, 721021374]

約数ペア:

[(1, 721021374), (2, 360510687), (3, 240340458), (6, 120170229), (9, 80113486), (17, 42413022), (18, 40056743), (29, 24862806), (31, 23258754), (34, 21206511), (51, 14137674), (58, 12431403), (62, 11629377), (87, 8287602), (93, 7752918), (102, 7068837), (153, 4712558), (174, 4143801), (186, 3876459), (261, 2762534), (279, 2584306), (306, 2356279), (493, 1462518), (522, 1381267), (527, 1368162), (558, 1292153), (899, 802026), (986, 731259), (1054, 684081), (1479, 487506), (1581, 456054), (1798, 401013), (2621, 275094), (2697, 267342), (2958, 243753), (3162, 228027), (4437, 162502), (4743, 152018), (5242, 137547), (5394, 133671), (7863, 91698), (8091, 89114), (8874, 81251), (9486, 76009), (15283, 47178), (15726, 45849), (16182, 44557), (23589, 30566)]