77847890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 145575360

約数和(自身を除く): 67727470

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 331, 662, 811, 1622, 1655, 3310, 4055, 8110, 9599, 19198, 23519, 47038, 47995, 95990, 117595, 235190, 268441, 536882, 1342205, 2684410, 7784789, 15569578, 38923945, 77847890]

約数ペア:

[(1, 77847890), (2, 38923945), (5, 15569578), (10, 7784789), (29, 2684410), (58, 1342205), (145, 536882), (290, 268441), (331, 235190), (662, 117595), (811, 95990), (1622, 47995), (1655, 47038), (3310, 23519), (4055, 19198), (8110, 9599)]