331333742

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 549005760

約数和(自身を除く): 217672018

約数列:

[1, 2, 19, 37, 38, 74, 79, 157, 158, 314, 361, 703, 722, 1406, 1501, 2923, 2983, 3002, 5809, 5846, 5966, 11618, 12403, 13357, 24806, 26714, 28519, 55537, 56677, 57038, 110371, 111074, 113354, 220742, 235657, 458911, 471314, 917822, 1055203, 2097049, 2110406, 4194098, 4477483, 8719309, 8954966, 17438618, 165666871, 331333742]

約数ペア:

[(1, 331333742), (2, 165666871), (19, 17438618), (37, 8954966), (38, 8719309), (74, 4477483), (79, 4194098), (157, 2110406), (158, 2097049), (314, 1055203), (361, 917822), (703, 471314), (722, 458911), (1406, 235657), (1501, 220742), (2923, 113354), (2983, 111074), (3002, 110371), (5809, 57038), (5846, 56677), (5966, 55537), (11618, 28519), (12403, 26714), (13357, 24806)]