1280521918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1\times {\mathrm{1621}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 2161438272

約数和(自身を除く): 880916354

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 1321, 1621, 2642, 3242, 17173, 21073, 30383, 34346, 37283, 42146, 60766, 74566, 394979, 484679, 789958, 969358, 2141341, 4282682, 27837433, 49250843, 55674866, 98501686, 640260959, 1280521918]

約数ペア:

[(1, 1280521918), (2, 640260959), (13, 98501686), (23, 55674866), (26, 49250843), (46, 27837433), (299, 4282682), (598, 2141341), (1321, 969358), (1621, 789958), (2642, 484679), (3242, 394979), (17173, 74566), (21073, 60766), (30383, 42146), (34346, 37283)]