139012432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21559}}^1$

素因数の和:21611

約数の個数: 40

約数和(自身を含む): 299425280

約数和(自身を除く): 160412848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 21559, 43118, 86236, 172472, 280267, 344944, 560534, 668329, 1121068, 1336658, 2242136, 2673316, 4484272, 5346632, 8688277, 10693264, 17376554, 34753108, 69506216, 139012432]

約数ペア:

[(1, 139012432), (2, 69506216), (4, 34753108), (8, 17376554), (13, 10693264), (16, 8688277), (26, 5346632), (31, 4484272), (52, 2673316), (62, 2242136), (104, 1336658), (124, 1121068), (208, 668329), (248, 560534), (403, 344944), (496, 280267), (806, 172472), (1612, 86236), (3224, 43118), (6448, 21559)]