65031490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 129991680

約数和(自身を除く): 64960190

約数列:

[1, 2, 5, 10, 19, 31, 38, 61, 62, 95, 122, 155, 181, 190, 305, 310, 362, 589, 610, 905, 1159, 1178, 1810, 1891, 2318, 2945, 3439, 3782, 5611, 5795, 5890, 6878, 9455, 11041, 11222, 11590, 17195, 18910, 22082, 28055, 34390, 35929, 55205, 56110, 71858, 106609, 110410, 179645, 209779, 213218, 342271, 359290, 419558, 533045, 684542, 1048895, 1066090, 1711355, 2097790, 3422710, 6503149, 13006298, 32515745, 65031490]

約数ペア:

[(1, 65031490), (2, 32515745), (5, 13006298), (10, 6503149), (19, 3422710), (31, 2097790), (38, 1711355), (61, 1066090), (62, 1048895), (95, 684542), (122, 533045), (155, 419558), (181, 359290), (190, 342271), (305, 213218), (310, 209779), (362, 179645), (589, 110410), (610, 106609), (905, 71858), (1159, 56110), (1178, 55205), (1810, 35929), (1891, 34390), (2318, 28055), (2945, 22082), (3439, 18910), (3782, 17195), (5611, 11590), (5795, 11222), (5890, 11041), (6878, 9455)]