1978889457

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 2753187840

約数和(自身を除く): 774298383

約数列:

[1, 3, 47, 89, 103, 141, 267, 309, 1531, 4183, 4593, 4841, 9167, 12549, 14523, 27501, 71957, 136259, 157693, 215871, 408777, 430849, 473079, 1292547, 6404173, 7411571, 14034677, 19212519, 22234713, 42104031, 659629819, 1978889457]

約数ペア:

[(1, 1978889457), (3, 659629819), (47, 42104031), (89, 22234713), (103, 19212519), (141, 14034677), (267, 7411571), (309, 6404173), (1531, 1292547), (4183, 473079), (4593, 430849), (4841, 408777), (9167, 215871), (12549, 157693), (14523, 136259), (27501, 71957)]