201521112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{645901}}^1$

素因数の和:645923

約数の個数: 32

約数和(自身を含む): 542557680

約数和(自身を除く): 341036568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 645901, 1291802, 1937703, 2583604, 3875406, 5167208, 7750812, 8396713, 15501624, 16793426, 25190139, 33586852, 50380278, 67173704, 100760556, 201521112]

約数ペア:

[(1, 201521112), (2, 100760556), (3, 67173704), (4, 50380278), (6, 33586852), (8, 25190139), (12, 16793426), (13, 15501624), (24, 8396713), (26, 7750812), (39, 5167208), (52, 3875406), (78, 2583604), (104, 1937703), (156, 1291802), (312, 645901)]