251414384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{63617}}^1$

素因数の和:63657

約数の個数: 40

約数和(自身を含む): 552204240

約数和(自身を除く): 300789856

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 63617, 127234, 254468, 508936, 827021, 1017872, 1208723, 1654042, 2417446, 3308084, 4834892, 6616168, 9669784, 13232336, 15713399, 19339568, 31426798, 62853596, 125707192, 251414384]

約数ペア:

[(1, 251414384), (2, 125707192), (4, 62853596), (8, 31426798), (13, 19339568), (16, 15713399), (19, 13232336), (26, 9669784), (38, 6616168), (52, 4834892), (76, 3308084), (104, 2417446), (152, 1654042), (208, 1208723), (247, 1017872), (304, 827021), (494, 508936), (988, 254468), (1976, 127234), (3952, 63617)]