31801088

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 72406656

約数和(自身を除く): 40605568

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 256, 352, 368, 491, 506, 704, 736, 982, 1012, 1408, 1472, 1964, 2024, 2816, 2944, 3928, 4048, 5401, 5888, 7856, 8096, 10802, 11293, 15712, 16192, 21604, 22586, 31424, 32384, 43208, 45172, 62848, 64768, 86416, 90344, 124223, 125696, 172832, 180688, 248446, 345664, 361376, 496892, 691328, 722752, 993784, 1382656, 1445504, 1987568, 2891008, 3975136, 7950272, 15900544, 31801088]

約数ペア:

[(1, 31801088), (2, 15900544), (4, 7950272), (8, 3975136), (11, 2891008), (16, 1987568), (22, 1445504), (23, 1382656), (32, 993784), (44, 722752), (46, 691328), (64, 496892), (88, 361376), (92, 345664), (128, 248446), (176, 180688), (184, 172832), (253, 125696), (256, 124223), (352, 90344), (368, 86416), (491, 64768), (506, 62848), (704, 45172), (736, 43208), (982, 32384), (1012, 31424), (1408, 22586), (1472, 21604), (1964, 16192), (2024, 15712), (2816, 11293), (2944, 10802), (3928, 8096), (4048, 7856), (5401, 5888)]