71516912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5471}}^1$

素因数の和:5541

約数の個数: 40

約数和(自身を含む): 149276160

約数和(自身を除く): 77759248

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 5471, 6536, 10942, 13072, 21884, 43768, 87536, 103949, 207898, 235253, 415796, 470506, 831592, 941012, 1663184, 1882024, 3764048, 4469807, 8939614, 17879228, 35758456, 71516912]

約数ペア:

[(1, 71516912), (2, 35758456), (4, 17879228), (8, 8939614), (16, 4469807), (19, 3764048), (38, 1882024), (43, 1663184), (76, 941012), (86, 831592), (152, 470506), (172, 415796), (304, 235253), (344, 207898), (688, 103949), (817, 87536), (1634, 43768), (3268, 21884), (5471, 13072), (6536, 10942)]