131645072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33311}}^1$

素因数の和:33351

約数の個数: 40

約数和(自身を含む): 289148160

約数和(自身を除く): 157503088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 33311, 66622, 133244, 266488, 433043, 532976, 632909, 866086, 1265818, 1732172, 2531636, 3464344, 5063272, 6928688, 8227817, 10126544, 16455634, 32911268, 65822536, 131645072]

約数ペア:

[(1, 131645072), (2, 65822536), (4, 32911268), (8, 16455634), (13, 10126544), (16, 8227817), (19, 6928688), (26, 5063272), (38, 3464344), (52, 2531636), (76, 1732172), (104, 1265818), (152, 866086), (208, 632909), (247, 532976), (304, 433043), (494, 266488), (988, 133244), (1976, 66622), (3952, 33311)]