71977586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 117227520

約数和(自身を除く): 45249934

約数列:

[1, 2, 19, 38, 47, 94, 191, 211, 382, 422, 893, 1786, 3629, 4009, 7258, 8018, 8977, 9917, 17954, 19834, 40301, 80602, 170563, 188423, 341126, 376846, 765719, 1531438, 1894147, 3788294, 35988793, 71977586]

約数ペア:

[(1, 71977586), (2, 35988793), (19, 3788294), (38, 1894147), (47, 1531438), (94, 765719), (191, 376846), (211, 341126), (382, 188423), (422, 170563), (893, 80602), (1786, 40301), (3629, 19834), (4009, 17954), (7258, 9917), (8018, 8977)]