213954808

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 221501192

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 71, 116, 124, 142, 232, 248, 284, 419, 568, 838, 899, 1676, 1798, 2059, 2201, 3352, 3596, 4118, 4402, 7192, 8236, 8804, 12151, 12989, 16472, 17608, 24302, 25978, 29749, 48604, 51956, 59498, 63829, 97208, 103912, 118996, 127658, 237992, 255316, 376681, 510632, 753362, 862721, 922219, 1506724, 1725442, 1844438, 3013448, 3450884, 3688876, 6901768, 7377752, 26744351, 53488702, 106977404, 213954808]

約数ペア:

[(1, 213954808), (2, 106977404), (4, 53488702), (8, 26744351), (29, 7377752), (31, 6901768), (58, 3688876), (62, 3450884), (71, 3013448), (116, 1844438), (124, 1725442), (142, 1506724), (232, 922219), (248, 862721), (284, 753362), (419, 510632), (568, 376681), (838, 255316), (899, 237992), (1676, 127658), (1798, 118996), (2059, 103912), (2201, 97208), (3352, 63829), (3596, 59498), (4118, 51956), (4402, 48604), (7192, 29749), (8236, 25978), (8804, 24302), (12151, 17608), (12989, 16472)]