628291206

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{25609}}^1$

素因数の和:25693

約数の個数: 48

約数和(自身を含む): 1438257600

約数和(自身を除く): 809966394

約数列:

[1, 2, 3, 6, 9, 18, 29, 47, 58, 87, 94, 141, 174, 261, 282, 423, 522, 846, 1363, 2726, 4089, 8178, 12267, 24534, 25609, 51218, 76827, 153654, 230481, 460962, 742661, 1203623, 1485322, 2227983, 2407246, 3610869, 4455966, 6683949, 7221738, 10832607, 13367898, 21665214, 34905067, 69810134, 104715201, 209430402, 314145603, 628291206]

約数ペア:

[(1, 628291206), (2, 314145603), (3, 209430402), (6, 104715201), (9, 69810134), (18, 34905067), (29, 21665214), (47, 13367898), (58, 10832607), (87, 7221738), (94, 6683949), (141, 4455966), (174, 3610869), (261, 2407246), (282, 2227983), (423, 1485322), (522, 1203623), (846, 742661), (1363, 460962), (2726, 230481), (4089, 153654), (8178, 76827), (12267, 51218), (24534, 25609)]