78724009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 104670720

約数和(自身を除く): 25946711

約数列:

[1, 7, 13, 23, 29, 91, 161, 203, 299, 377, 667, 1297, 2093, 2639, 4669, 8671, 9079, 16861, 29831, 37613, 60697, 118027, 208817, 263291, 387803, 488969, 865099, 2714621, 3422783, 6055693, 11246287, 78724009]

約数ペア:

[(1, 78724009), (7, 11246287), (13, 6055693), (23, 3422783), (29, 2714621), (91, 865099), (161, 488969), (203, 387803), (299, 263291), (377, 208817), (667, 118027), (1297, 60697), (2093, 37613), (2639, 29831), (4669, 16861), (8671, 9079)]