15705327725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{2657}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 20882949120

約数和(自身を除く): 5177621395

約数列:

[1, 5, 25, 29, 31, 145, 155, 263, 725, 775, 899, 1315, 2657, 4495, 6575, 7627, 8153, 13285, 22475, 38135, 40765, 66425, 77053, 82367, 190675, 203825, 236437, 385265, 411835, 698791, 1182185, 1926325, 2059175, 2388643, 3493955, 5910925, 11943215, 17469775, 20264939, 21662521, 59716075, 101324695, 108312605, 506623475, 541563025, 628213109, 3141065545, 15705327725]

約数ペア:

[(1, 15705327725), (5, 3141065545), (25, 628213109), (29, 541563025), (31, 506623475), (145, 108312605), (155, 101324695), (263, 59716075), (725, 21662521), (775, 20264939), (899, 17469775), (1315, 11943215), (2657, 5910925), (4495, 3493955), (6575, 2388643), (7627, 2059175), (8153, 1926325), (13285, 1182185), (22475, 698791), (38135, 411835), (40765, 385265), (66425, 236437), (77053, 203825), (82367, 190675)]