12355408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 25998336

約数和(自身を除く): 13642928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 311, 382, 622, 764, 1244, 1528, 2483, 2488, 3056, 4043, 4966, 4976, 8086, 9932, 16172, 19864, 32344, 39728, 59401, 64688, 118802, 237604, 475208, 772213, 950416, 1544426, 3088852, 6177704, 12355408]

約数ペア:

[(1, 12355408), (2, 6177704), (4, 3088852), (8, 1544426), (13, 950416), (16, 772213), (26, 475208), (52, 237604), (104, 118802), (191, 64688), (208, 59401), (311, 39728), (382, 32344), (622, 19864), (764, 16172), (1244, 9932), (1528, 8086), (2483, 4976), (2488, 4966), (3056, 4043)]