639105752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1013}}^1\times {\mathrm{4639}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 1270339200

約数和(自身を除く): 631233448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1013, 2026, 4052, 4639, 8104, 9278, 17221, 18556, 34442, 37112, 68884, 78863, 137768, 157726, 315452, 630904, 4699307, 9398614, 18797228, 37594456, 79888219, 159776438, 319552876, 639105752]

約数ペア:

[(1, 639105752), (2, 319552876), (4, 159776438), (8, 79888219), (17, 37594456), (34, 18797228), (68, 9398614), (136, 4699307), (1013, 630904), (2026, 315452), (4052, 157726), (4639, 137768), (8104, 78863), (9278, 68884), (17221, 37112), (18556, 34442)]