81800388

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{5449}}^1$

素因数の和:5601

約数の個数: 48

約数和(自身を含む): 213640000

約数和(自身を除く): 131839612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3753, 5004, 5449, 7506, 10898, 15012, 16347, 21796, 32694, 49041, 65388, 98082, 147123, 196164, 294246, 588492, 757411, 1514822, 2272233, 3029644, 4544466, 6816699, 9088932, 13633398, 20450097, 27266796, 40900194, 81800388]

約数ペア:

[(1, 81800388), (2, 40900194), (3, 27266796), (4, 20450097), (6, 13633398), (9, 9088932), (12, 6816699), (18, 4544466), (27, 3029644), (36, 2272233), (54, 1514822), (108, 757411), (139, 588492), (278, 294246), (417, 196164), (556, 147123), (834, 98082), (1251, 65388), (1668, 49041), (2502, 32694), (3753, 21796), (5004, 16347), (5449, 15012), (7506, 10898)]