2780365

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 4158720

約数和(自身を除く): 1378355

約数列:

[1, 5, 7, 19, 35, 37, 95, 113, 133, 185, 259, 565, 665, 703, 791, 1295, 2147, 3515, 3955, 4181, 4921, 10735, 15029, 20905, 24605, 29267, 75145, 79439, 146335, 397195, 556073, 2780365]

約数ペア:

[(1, 2780365), (5, 556073), (7, 397195), (19, 146335), (35, 79439), (37, 75145), (95, 29267), (113, 24605), (133, 20905), (185, 15029), (259, 10735), (565, 4921), (665, 4181), (703, 3955), (791, 3515), (1295, 2147)]