87478885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 117210240

約数和(自身を除く): 29731355

約数列:

[1, 5, 13, 53, 65, 67, 265, 335, 379, 689, 871, 1895, 3445, 3551, 4355, 4927, 17755, 20087, 24635, 25393, 46163, 100435, 126965, 230815, 261131, 330109, 1305655, 1345829, 1650545, 6729145, 17495777, 87478885]

約数ペア:

[(1, 87478885), (5, 17495777), (13, 6729145), (53, 1650545), (65, 1345829), (67, 1305655), (265, 330109), (335, 261131), (379, 230815), (689, 126965), (871, 100435), (1895, 46163), (3445, 25393), (3551, 24635), (4355, 20087), (4927, 17755)]