6657690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 17652096

約数和(自身を除く): 10994406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 397, 430, 559, 645, 794, 1118, 1191, 1290, 1677, 1985, 2382, 2795, 3354, 3970, 5161, 5590, 5955, 8385, 10322, 11910, 15483, 16770, 17071, 25805, 30966, 34142, 51213, 51610, 77415, 85355, 102426, 154830, 170710, 221923, 256065, 443846, 512130, 665769, 1109615, 1331538, 2219230, 3328845, 6657690]

約数ペア:

[(1, 6657690), (2, 3328845), (3, 2219230), (5, 1331538), (6, 1109615), (10, 665769), (13, 512130), (15, 443846), (26, 256065), (30, 221923), (39, 170710), (43, 154830), (65, 102426), (78, 85355), (86, 77415), (129, 51610), (130, 51213), (195, 34142), (215, 30966), (258, 25805), (390, 17071), (397, 16770), (430, 15483), (559, 11910), (645, 10322), (794, 8385), (1118, 5955), (1191, 5590), (1290, 5161), (1677, 3970), (1985, 3354), (2382, 2795)]