28804984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32158856

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 71, 83, 94, 104, 142, 166, 188, 284, 332, 376, 568, 611, 664, 923, 1079, 1222, 1846, 2158, 2444, 3337, 3692, 3901, 4316, 4888, 5893, 6674, 7384, 7802, 8632, 11786, 13348, 15604, 23572, 26696, 31208, 43381, 47144, 50713, 76609, 86762, 101426, 153218, 173524, 202852, 276971, 306436, 347048, 405704, 553942, 612872, 1107884, 2215768, 3600623, 7201246, 14402492, 28804984]

約数ペア:

[(1, 28804984), (2, 14402492), (4, 7201246), (8, 3600623), (13, 2215768), (26, 1107884), (47, 612872), (52, 553942), (71, 405704), (83, 347048), (94, 306436), (104, 276971), (142, 202852), (166, 173524), (188, 153218), (284, 101426), (332, 86762), (376, 76609), (568, 50713), (611, 47144), (664, 43381), (923, 31208), (1079, 26696), (1222, 23572), (1846, 15604), (2158, 13348), (2444, 11786), (3337, 8632), (3692, 7802), (3901, 7384), (4316, 6674), (4888, 5893)]