28575872

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 61691130

約数和(自身を除く): 33115258

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1321, 1352, 1664, 2642, 2704, 5284, 5408, 10568, 10816, 17173, 21136, 21632, 34346, 42272, 68692, 84544, 137384, 169088, 223249, 274768, 446498, 549536, 892996, 1099072, 1785992, 2198144, 3571984, 7143968, 14287936, 28575872]

約数ペア:

[(1, 28575872), (2, 14287936), (4, 7143968), (8, 3571984), (13, 2198144), (16, 1785992), (26, 1099072), (32, 892996), (52, 549536), (64, 446498), (104, 274768), (128, 223249), (169, 169088), (208, 137384), (338, 84544), (416, 68692), (676, 42272), (832, 34346), (1321, 21632), (1352, 21136), (1664, 17173), (2642, 10816), (2704, 10568), (5284, 5408)]