258793808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{177743}}^1$

素因数の和:177771

約数の個数: 40

約数和(自身を含む): 617127168

約数和(自身を除く): 358333360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 177743, 355486, 710972, 1244201, 1421944, 2310659, 2488402, 2843888, 4621318, 4976804, 9242636, 9953608, 16174613, 18485272, 19907216, 32349226, 36970544, 64698452, 129396904, 258793808]

約数ペア:

[(1, 258793808), (2, 129396904), (4, 64698452), (7, 36970544), (8, 32349226), (13, 19907216), (14, 18485272), (16, 16174613), (26, 9953608), (28, 9242636), (52, 4976804), (56, 4621318), (91, 2843888), (104, 2488402), (112, 2310659), (182, 1421944), (208, 1244201), (364, 710972), (728, 355486), (1456, 177743)]