31928132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 29317948

約数列:

[1, 2, 4, 19, 38, 61, 71, 76, 97, 122, 142, 194, 244, 284, 388, 1159, 1349, 1843, 2318, 2698, 3686, 4331, 4636, 5396, 5917, 6887, 7372, 8662, 11834, 13774, 17324, 23668, 27548, 82289, 112423, 130853, 164578, 224846, 261706, 329156, 420107, 449692, 523412, 840214, 1680428, 7982033, 15964066, 31928132]

約数ペア:

[(1, 31928132), (2, 15964066), (4, 7982033), (19, 1680428), (38, 840214), (61, 523412), (71, 449692), (76, 420107), (97, 329156), (122, 261706), (142, 224846), (194, 164578), (244, 130853), (284, 112423), (388, 82289), (1159, 27548), (1349, 23668), (1843, 17324), (2318, 13774), (2698, 11834), (3686, 8662), (4331, 7372), (4636, 6887), (5396, 5917)]