81131402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 137839104

約数和(自身を除く): 56707702

約数列:

[1, 2, 11, 22, 31, 62, 337, 341, 353, 674, 682, 706, 3707, 3883, 7414, 7766, 10447, 10943, 20894, 21886, 114917, 118961, 120373, 229834, 237922, 240746, 1308571, 2617142, 3687791, 7375582, 40565701, 81131402]

約数ペア:

[(1, 81131402), (2, 40565701), (11, 7375582), (22, 3687791), (31, 2617142), (62, 1308571), (337, 240746), (341, 237922), (353, 229834), (674, 120373), (682, 118961), (706, 114917), (3707, 21886), (3883, 20894), (7414, 10943), (7766, 10447)]