16871848

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 38678400

約数和(自身を除く): 21806552

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 101, 133, 152, 157, 202, 266, 314, 404, 532, 628, 707, 808, 1064, 1099, 1256, 1414, 1919, 2198, 2828, 2983, 3838, 4396, 5656, 5966, 7676, 8792, 11932, 13433, 15352, 15857, 20881, 23864, 26866, 31714, 41762, 53732, 63428, 83524, 107464, 110999, 126856, 167048, 221998, 301283, 443996, 602566, 887992, 1205132, 2108981, 2410264, 4217962, 8435924, 16871848]

約数ペア:

[(1, 16871848), (2, 8435924), (4, 4217962), (7, 2410264), (8, 2108981), (14, 1205132), (19, 887992), (28, 602566), (38, 443996), (56, 301283), (76, 221998), (101, 167048), (133, 126856), (152, 110999), (157, 107464), (202, 83524), (266, 63428), (314, 53732), (404, 41762), (532, 31714), (628, 26866), (707, 23864), (808, 20881), (1064, 15857), (1099, 15352), (1256, 13433), (1414, 11932), (1919, 8792), (2198, 7676), (2828, 5966), (2983, 5656), (3838, 4396)]