74477221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 100251648

約数和(自身を除く): 25774427

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 1553, 2821, 3689, 6851, 10871, 20189, 26401, 47957, 48143, 141323, 184807, 337001, 343213, 625859, 818431, 2402491, 4381013, 5729017, 10639603, 74477221]

約数ペア:

[(1, 74477221), (7, 10639603), (13, 5729017), (17, 4381013), (31, 2402491), (91, 818431), (119, 625859), (217, 343213), (221, 337001), (403, 184807), (527, 141323), (1547, 48143), (1553, 47957), (2821, 26401), (3689, 20189), (6851, 10871)]