199220528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1181}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 416546256

約数和(自身を除く): 217325728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 811, 1181, 1622, 2362, 3244, 4724, 6488, 9448, 10543, 12976, 15353, 18896, 21086, 30706, 42172, 61412, 84344, 122824, 168688, 245648, 957791, 1915582, 3831164, 7662328, 12451283, 15324656, 24902566, 49805132, 99610264, 199220528]

約数ペア:

[(1, 199220528), (2, 99610264), (4, 49805132), (8, 24902566), (13, 15324656), (16, 12451283), (26, 7662328), (52, 3831164), (104, 1915582), (208, 957791), (811, 245648), (1181, 168688), (1622, 122824), (2362, 84344), (3244, 61412), (4724, 42172), (6488, 30706), (9448, 21086), (10543, 18896), (12976, 15353)]