408465145

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 576092160

約数和(自身を除く): 167627015

約数列:

[1, 5, 11, 29, 31, 55, 121, 145, 155, 319, 341, 605, 751, 899, 1595, 1705, 3509, 3751, 3755, 4495, 8261, 9889, 17545, 18755, 21779, 23281, 41305, 49445, 90871, 108779, 108895, 116405, 239569, 256091, 454355, 543895, 675149, 1197845, 1280455, 2635259, 2817001, 3375745, 7426639, 13176295, 14085005, 37133195, 81693029, 408465145]

約数ペア:

[(1, 408465145), (5, 81693029), (11, 37133195), (29, 14085005), (31, 13176295), (55, 7426639), (121, 3375745), (145, 2817001), (155, 2635259), (319, 1280455), (341, 1197845), (605, 675149), (751, 543895), (899, 454355), (1595, 256091), (1705, 239569), (3509, 116405), (3751, 108895), (3755, 108779), (4495, 90871), (8261, 49445), (9889, 41305), (17545, 23281), (18755, 21779)]