161318668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5023}}^1$

素因数の和:5102

約数の個数: 48

約数和(自身を含む): 342114304

約数和(自身を除く): 180795636

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 5023, 8029, 10046, 16058, 20092, 32116, 35161, 70322, 140644, 155713, 185851, 311426, 371702, 622852, 743404, 1089991, 1300957, 2179982, 2601914, 4359964, 5203828, 5761381, 11522762, 23045524, 40329667, 80659334, 161318668]

約数ペア:

[(1, 161318668), (2, 80659334), (4, 40329667), (7, 23045524), (14, 11522762), (28, 5761381), (31, 5203828), (37, 4359964), (62, 2601914), (74, 2179982), (124, 1300957), (148, 1089991), (217, 743404), (259, 622852), (434, 371702), (518, 311426), (868, 185851), (1036, 155713), (1147, 140644), (2294, 70322), (4588, 35161), (5023, 32116), (8029, 20092), (10046, 16058)]