255215844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1231}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 696888192

約数和(自身を除く): 441672348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 443, 468, 886, 1231, 1329, 1772, 2462, 2658, 3693, 3987, 4924, 5316, 5759, 7386, 7974, 11079, 11518, 14772, 15948, 16003, 17277, 22158, 23036, 32006, 34554, 44316, 48009, 51831, 64012, 69108, 96018, 103662, 144027, 192036, 207324, 288054, 545333, 576108, 1090666, 1635999, 2181332, 3271998, 4907997, 6543996, 7089329, 9815994, 14178658, 19631988, 21267987, 28357316, 42535974, 63803961, 85071948, 127607922, 255215844]

約数ペア:

[(1, 255215844), (2, 127607922), (3, 85071948), (4, 63803961), (6, 42535974), (9, 28357316), (12, 21267987), (13, 19631988), (18, 14178658), (26, 9815994), (36, 7089329), (39, 6543996), (52, 4907997), (78, 3271998), (117, 2181332), (156, 1635999), (234, 1090666), (443, 576108), (468, 545333), (886, 288054), (1231, 207324), (1329, 192036), (1772, 144027), (2462, 103662), (2658, 96018), (3693, 69108), (3987, 64012), (4924, 51831), (5316, 48009), (5759, 44316), (7386, 34554), (7974, 32006), (11079, 23036), (11518, 22158), (14772, 17277), (15948, 16003)]