28706128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{773}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 61040736

約数和(自身を除く): 32334608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 773, 844, 1546, 1688, 2321, 3092, 3376, 4642, 6184, 8503, 9284, 12368, 17006, 18568, 34012, 37136, 68024, 136048, 163103, 326206, 652412, 1304824, 1794133, 2609648, 3588266, 7176532, 14353064, 28706128]

約数ペア:

[(1, 28706128), (2, 14353064), (4, 7176532), (8, 3588266), (11, 2609648), (16, 1794133), (22, 1304824), (44, 652412), (88, 326206), (176, 163103), (211, 136048), (422, 68024), (773, 37136), (844, 34012), (1546, 18568), (1688, 17006), (2321, 12368), (3092, 9284), (3376, 8503), (4642, 6184)]