31955216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1227

約数の個数: 40

約数和(自身を含む): 65155800

約数和(自身を除く): 33200584

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1129, 1769, 2258, 3538, 4516, 7076, 9032, 14152, 18064, 28304, 32741, 65482, 68869, 130964, 137738, 261928, 275476, 523856, 550952, 1101904, 1997201, 3994402, 7988804, 15977608, 31955216]

約数ペア:

[(1, 31955216), (2, 15977608), (4, 7988804), (8, 3994402), (16, 1997201), (29, 1101904), (58, 550952), (61, 523856), (116, 275476), (122, 261928), (232, 137738), (244, 130964), (464, 68869), (488, 65482), (976, 32741), (1129, 28304), (1769, 18064), (2258, 14152), (3538, 9032), (4516, 7076)]