257952972

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 613116000

約数和(自身を除く): 355163028

約数列:

[1, 2, 3, 4, 6, 12, 89, 149, 178, 267, 298, 356, 447, 534, 596, 894, 1068, 1621, 1788, 3242, 4863, 6484, 9726, 13261, 19452, 26522, 39783, 53044, 79566, 144269, 159132, 241529, 288538, 432807, 483058, 577076, 724587, 865614, 966116, 1449174, 1731228, 2898348, 21496081, 42992162, 64488243, 85984324, 128976486, 257952972]

約数ペア:

[(1, 257952972), (2, 128976486), (3, 85984324), (4, 64488243), (6, 42992162), (12, 21496081), (89, 2898348), (149, 1731228), (178, 1449174), (267, 966116), (298, 865614), (356, 724587), (447, 577076), (534, 483058), (596, 432807), (894, 288538), (1068, 241529), (1621, 159132), (1788, 144269), (3242, 79566), (4863, 53044), (6484, 39783), (9726, 26522), (13261, 19452)]