258840945025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{577}}^1\times {\mathrm{1193}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 352360695240

約数和(自身を除く): 93519750215

約数列:

[1, 5, 13, 25, 65, 89, 169, 325, 445, 577, 845, 1157, 1193, 2225, 2885, 4225, 5785, 5965, 7501, 14425, 15041, 15509, 28925, 29825, 37505, 51353, 75205, 77545, 97513, 106177, 187525, 201617, 256765, 376025, 387725, 487565, 530885, 667589, 688361, 1008085, 1283825, 1380301, 2437825, 2654425, 3337945, 3441805, 5040425, 6901505, 8678657, 8948693, 16689725, 17209025, 17943913, 34507525, 43393285, 44743465, 61264129, 89719565, 116333009, 216966425, 223717325, 306320645, 448597825, 581665045, 796433677, 1531603225, 2908325225, 3982168385, 10353637801, 19910841925, 51768189005, 258840945025]

約数ペア:

[(1, 258840945025), (5, 51768189005), (13, 19910841925), (25, 10353637801), (65, 3982168385), (89, 2908325225), (169, 1531603225), (325, 796433677), (445, 581665045), (577, 448597825), (845, 306320645), (1157, 223717325), (1193, 216966425), (2225, 116333009), (2885, 89719565), (4225, 61264129), (5785, 44743465), (5965, 43393285), (7501, 34507525), (14425, 17943913), (15041, 17209025), (15509, 16689725), (28925, 8948693), (29825, 8678657), (37505, 6901505), (51353, 5040425), (75205, 3441805), (77545, 3337945), (97513, 2654425), (106177, 2437825), (187525, 1380301), (201617, 1283825), (256765, 1008085), (376025, 688361), (387725, 667589), (487565, 530885)]