31399025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 48211200

約数和(自身を除く): 16812175

約数列:

[1, 5, 7, 23, 25, 29, 35, 115, 145, 161, 175, 203, 269, 575, 667, 725, 805, 1015, 1345, 1883, 3335, 4025, 4669, 5075, 6187, 6725, 7801, 9415, 16675, 23345, 30935, 39005, 43309, 47075, 54607, 116725, 154675, 179423, 195025, 216545, 273035, 897115, 1082725, 1255961, 1365175, 4485575, 6279805, 31399025]

約数ペア:

[(1, 31399025), (5, 6279805), (7, 4485575), (23, 1365175), (25, 1255961), (29, 1082725), (35, 897115), (115, 273035), (145, 216545), (161, 195025), (175, 179423), (203, 154675), (269, 116725), (575, 54607), (667, 47075), (725, 43309), (805, 39005), (1015, 30935), (1345, 23345), (1883, 16675), (3335, 9415), (4025, 7801), (4669, 6725), (5075, 6187)]