25169768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 54136320

約数和(自身を除く): 28966552

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 211, 248, 296, 403, 422, 481, 806, 844, 962, 1147, 1612, 1688, 1924, 2294, 2743, 3224, 3848, 4588, 5486, 6541, 7807, 9176, 10972, 13082, 14911, 15614, 21944, 26164, 29822, 31228, 52328, 59644, 62456, 85033, 101491, 119288, 170066, 202982, 242017, 340132, 405964, 484034, 680264, 811928, 968068, 1936136, 3146221, 6292442, 12584884, 25169768]

約数ペア:

[(1, 25169768), (2, 12584884), (4, 6292442), (8, 3146221), (13, 1936136), (26, 968068), (31, 811928), (37, 680264), (52, 484034), (62, 405964), (74, 340132), (104, 242017), (124, 202982), (148, 170066), (211, 119288), (248, 101491), (296, 85033), (403, 62456), (422, 59644), (481, 52328), (806, 31228), (844, 29822), (962, 26164), (1147, 21944), (1612, 15614), (1688, 14911), (1924, 13082), (2294, 10972), (2743, 9176), (3224, 7807), (3848, 6541), (4588, 5486)]