31313425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 48121920

約数和(自身を除く): 16808495

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 461, 475, 715, 1045, 1235, 2305, 2717, 3575, 5071, 5225, 5993, 6175, 8759, 11525, 13585, 25355, 29965, 43795, 65923, 67925, 96349, 113867, 126775, 149825, 218975, 329615, 481745, 569335, 1252537, 1648075, 2408725, 2846675, 6262685, 31313425]

約数ペア:

[(1, 31313425), (5, 6262685), (11, 2846675), (13, 2408725), (19, 1648075), (25, 1252537), (55, 569335), (65, 481745), (95, 329615), (143, 218975), (209, 149825), (247, 126775), (275, 113867), (325, 96349), (461, 67925), (475, 65923), (715, 43795), (1045, 29965), (1235, 25355), (2305, 13585), (2717, 11525), (3575, 8759), (5071, 6175), (5225, 5993)]