131430416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9431}}^1$

素因数の和:9519

約数の個数: 40

約数和(自身を含む): 278357184

約数和(自身を除く): 146926768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 9431, 13936, 18862, 37724, 75448, 122603, 150896, 245206, 490412, 631877, 980824, 1263754, 1961648, 2527508, 5055016, 8214401, 10110032, 16428802, 32857604, 65715208, 131430416]

約数ペア:

[(1, 131430416), (2, 65715208), (4, 32857604), (8, 16428802), (13, 10110032), (16, 8214401), (26, 5055016), (52, 2527508), (67, 1961648), (104, 1263754), (134, 980824), (208, 631877), (268, 490412), (536, 245206), (871, 150896), (1072, 122603), (1742, 75448), (3484, 37724), (6968, 18862), (9431, 13936)]