1551116944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{16987}}^1$

素因数の和:17447

約数の個数: 40

約数和(自身を含む): 3244028480

約数和(自身を除く): 1692911536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 878, 1756, 3512, 5707, 7024, 11414, 16987, 22828, 33974, 45656, 67948, 91312, 135896, 220831, 271792, 441662, 883324, 1766648, 3533296, 7457293, 14914586, 29829172, 59658344, 96944809, 119316688, 193889618, 387779236, 775558472, 1551116944]

約数ペア:

[(1, 1551116944), (2, 775558472), (4, 387779236), (8, 193889618), (13, 119316688), (16, 96944809), (26, 59658344), (52, 29829172), (104, 14914586), (208, 7457293), (439, 3533296), (878, 1766648), (1756, 883324), (3512, 441662), (5707, 271792), (7024, 220831), (11414, 135896), (16987, 91312), (22828, 67948), (33974, 45656)]