87717025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 130170240

約数和(自身を除く): 42453215

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 275, 319, 425, 493, 647, 725, 935, 1595, 2465, 3235, 4675, 5423, 7117, 7975, 10999, 12325, 16175, 18763, 27115, 35585, 54995, 93815, 120989, 135575, 177925, 206393, 274975, 318971, 469075, 604945, 1031965, 1594855, 3024725, 3508681, 5159825, 7974275, 17543405, 87717025]

約数ペア:

[(1, 87717025), (5, 17543405), (11, 7974275), (17, 5159825), (25, 3508681), (29, 3024725), (55, 1594855), (85, 1031965), (145, 604945), (187, 469075), (275, 318971), (319, 274975), (425, 206393), (493, 177925), (647, 135575), (725, 120989), (935, 93815), (1595, 54995), (2465, 35585), (3235, 27115), (4675, 18763), (5423, 16175), (7117, 12325), (7975, 10999)]