78881275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 115706880

約数和(自身を除く): 36825605

約数列:

[1, 5, 11, 17, 25, 47, 55, 85, 187, 235, 275, 359, 425, 517, 799, 935, 1175, 1795, 2585, 3949, 3995, 4675, 6103, 8789, 8975, 12925, 16873, 19745, 19975, 30515, 43945, 67133, 84365, 98725, 152575, 185603, 219725, 286841, 335665, 421825, 928015, 1434205, 1678325, 3155251, 4640075, 7171025, 15776255, 78881275]

約数ペア:

[(1, 78881275), (5, 15776255), (11, 7171025), (17, 4640075), (25, 3155251), (47, 1678325), (55, 1434205), (85, 928015), (187, 421825), (235, 335665), (275, 286841), (359, 219725), (425, 185603), (517, 152575), (799, 98725), (935, 84365), (1175, 67133), (1795, 43945), (2585, 30515), (3949, 19975), (3995, 19745), (4675, 16873), (6103, 12925), (8789, 8975)]