31146128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 65521848

約数和(自身を除く): 34375720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1093, 1096, 1781, 2186, 2192, 3562, 4372, 7124, 8744, 14209, 14248, 17488, 28418, 28496, 56836, 113672, 149741, 227344, 299482, 598964, 1197928, 1946633, 2395856, 3893266, 7786532, 15573064, 31146128]

約数ペア:

[(1, 31146128), (2, 15573064), (4, 7786532), (8, 3893266), (13, 2395856), (16, 1946633), (26, 1197928), (52, 598964), (104, 299482), (137, 227344), (208, 149741), (274, 113672), (548, 56836), (1093, 28496), (1096, 28418), (1781, 17488), (2186, 14248), (2192, 14209), (3562, 8744), (4372, 7124)]