405704

素因数分解:

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

素因数の和:149

約数の個数: 32

約数和(自身を含む): 846720

約数和(自身を除く): 441016

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 83, 94, 104, 166, 188, 332, 376, 611, 664, 1079, 1222, 2158, 2444, 3901, 4316, 4888, 7802, 8632, 15604, 31208, 50713, 101426, 202852, 405704]

約数ペア:

[(1, 405704), (2, 202852), (4, 101426), (8, 50713), (13, 31208), (26, 15604), (47, 8632), (52, 7802), (83, 4888), (94, 4316), (104, 3901), (166, 2444), (188, 2158), (332, 1222), (376, 1079), (611, 664)]