262402972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 525495600

約数和(自身を除く): 263092628

約数列:

[1, 2, 4, 13, 26, 31, 52, 59, 62, 89, 118, 124, 178, 236, 356, 403, 767, 806, 961, 1157, 1534, 1612, 1829, 1922, 2314, 2759, 3068, 3658, 3844, 4628, 5251, 5518, 7316, 10502, 11036, 12493, 21004, 23777, 24986, 35867, 47554, 49972, 56699, 68263, 71734, 85529, 95108, 113398, 136526, 143468, 162781, 171058, 226796, 273052, 325562, 342116, 651124, 737087, 1111877, 1474174, 2116153, 2223754, 2948348, 4232306, 4447508, 5046211, 8464612, 10092422, 20184844, 65600743, 131201486, 262402972]

約数ペア:

[(1, 262402972), (2, 131201486), (4, 65600743), (13, 20184844), (26, 10092422), (31, 8464612), (52, 5046211), (59, 4447508), (62, 4232306), (89, 2948348), (118, 2223754), (124, 2116153), (178, 1474174), (236, 1111877), (356, 737087), (403, 651124), (767, 342116), (806, 325562), (961, 273052), (1157, 226796), (1534, 171058), (1612, 162781), (1829, 143468), (1922, 136526), (2314, 113398), (2759, 95108), (3068, 85529), (3658, 71734), (3844, 68263), (4628, 56699), (5251, 49972), (5518, 47554), (7316, 35867), (10502, 24986), (11036, 23777), (12493, 21004)]