1221264184

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 2663884800

約数和(自身を除く): 1442620616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 409, 497, 568, 751, 818, 994, 1502, 1636, 1988, 2863, 3004, 3272, 3976, 5257, 5726, 6008, 10514, 11452, 21028, 22904, 29039, 42056, 53321, 58078, 106642, 116156, 203273, 213284, 232312, 307159, 373247, 406546, 426568, 614318, 746494, 813092, 1228636, 1492988, 1626184, 2150113, 2457272, 2985976, 4300226, 8600452, 17200904, 21808289, 43616578, 87233156, 152658023, 174466312, 305316046, 610632092, 1221264184]

約数ペア:

[(1, 1221264184), (2, 610632092), (4, 305316046), (7, 174466312), (8, 152658023), (14, 87233156), (28, 43616578), (56, 21808289), (71, 17200904), (142, 8600452), (284, 4300226), (409, 2985976), (497, 2457272), (568, 2150113), (751, 1626184), (818, 1492988), (994, 1228636), (1502, 813092), (1636, 746494), (1988, 614318), (2863, 426568), (3004, 406546), (3272, 373247), (3976, 307159), (5257, 232312), (5726, 213284), (6008, 203273), (10514, 116156), (11452, 106642), (21028, 58078), (22904, 53321), (29039, 42056)]