811408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 1749888

約数和(自身を除く): 938480

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 83, 94, 104, 166, 188, 208, 332, 376, 611, 664, 752, 1079, 1222, 1328, 2158, 2444, 3901, 4316, 4888, 7802, 8632, 9776, 15604, 17264, 31208, 50713, 62416, 101426, 202852, 405704, 811408]

約数ペア:

[(1, 811408), (2, 405704), (4, 202852), (8, 101426), (13, 62416), (16, 50713), (26, 31208), (47, 17264), (52, 15604), (83, 9776), (94, 8632), (104, 7802), (166, 4888), (188, 4316), (208, 3901), (332, 2444), (376, 2158), (611, 1328), (664, 1222), (752, 1079)]