129125425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 198112320

約数和(自身を除く): 68986895

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1235, 1901, 2717, 3575, 5225, 6175, 9505, 13585, 20911, 24713, 36119, 47525, 67925, 104555, 123565, 180595, 271843, 397309, 469547, 522775, 617825, 902975, 1359215, 1986545, 2347735, 5165017, 6796075, 9932725, 11738675, 25825085, 129125425]

約数ペア:

[(1, 129125425), (5, 25825085), (11, 11738675), (13, 9932725), (19, 6796075), (25, 5165017), (55, 2347735), (65, 1986545), (95, 1359215), (143, 902975), (209, 617825), (247, 522775), (275, 469547), (325, 397309), (475, 271843), (715, 180595), (1045, 123565), (1235, 104555), (1901, 67925), (2717, 47525), (3575, 36119), (5225, 24713), (6175, 20911), (9505, 13585)]