83954975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 116546112

約数和(自身を除く): 32591137

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 641, 775, 845, 2015, 3205, 4225, 5239, 8333, 10075, 16025, 19871, 26195, 41665, 99355, 108329, 130975, 208325, 258323, 496775, 541645, 1291615, 2708225, 3358199, 6458075, 16790995, 83954975]

約数ペア:

[(1, 83954975), (5, 16790995), (13, 6458075), (25, 3358199), (31, 2708225), (65, 1291615), (155, 541645), (169, 496775), (325, 258323), (403, 208325), (641, 130975), (775, 108329), (845, 99355), (2015, 41665), (3205, 26195), (4225, 19871), (5239, 16025), (8333, 10075)]