15978164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 31752000

約数和(自身を除く): 15773836

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 83, 149, 166, 298, 323, 332, 596, 646, 1292, 1411, 1577, 2533, 2822, 2831, 3154, 5066, 5644, 5662, 6308, 10132, 11324, 12367, 24734, 26809, 48127, 49468, 53618, 96254, 107236, 192508, 210239, 234973, 420478, 469946, 840956, 939892, 3994541, 7989082, 15978164]

約数ペア:

[(1, 15978164), (2, 7989082), (4, 3994541), (17, 939892), (19, 840956), (34, 469946), (38, 420478), (68, 234973), (76, 210239), (83, 192508), (149, 107236), (166, 96254), (298, 53618), (323, 49468), (332, 48127), (596, 26809), (646, 24734), (1292, 12367), (1411, 11324), (1577, 10132), (2533, 6308), (2822, 5662), (2831, 5644), (3154, 5066)]