31314472

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 38323928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 89, 103, 122, 178, 206, 244, 356, 412, 427, 488, 623, 712, 721, 824, 854, 1246, 1442, 1708, 2492, 2884, 3416, 4984, 5429, 5768, 6283, 9167, 10858, 12566, 18334, 21716, 25132, 36668, 38003, 43432, 43981, 50264, 64169, 73336, 76006, 87962, 128338, 152012, 175924, 256676, 304024, 351848, 513352, 559187, 1118374, 2236748, 3914309, 4473496, 7828618, 15657236, 31314472]

約数ペア:

[(1, 31314472), (2, 15657236), (4, 7828618), (7, 4473496), (8, 3914309), (14, 2236748), (28, 1118374), (56, 559187), (61, 513352), (89, 351848), (103, 304024), (122, 256676), (178, 175924), (206, 152012), (244, 128338), (356, 87962), (412, 76006), (427, 73336), (488, 64169), (623, 50264), (712, 43981), (721, 43432), (824, 38003), (854, 36668), (1246, 25132), (1442, 21716), (1708, 18334), (2492, 12566), (2884, 10858), (3416, 9167), (4984, 6283), (5429, 5768)]