73865870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18329}}^1$

素因数の和:18380

約数の個数: 32

約数和(自身を含む): 147813120

約数和(自身を除く): 73947250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 18329, 36658, 91645, 183290, 238277, 476554, 568199, 1136398, 1191385, 2382770, 2840995, 5681990, 7386587, 14773174, 36932935, 73865870]

約数ペア:

[(1, 73865870), (2, 36932935), (5, 14773174), (10, 7386587), (13, 5681990), (26, 2840995), (31, 2382770), (62, 1191385), (65, 1136398), (130, 568199), (155, 476554), (310, 238277), (403, 183290), (806, 91645), (2015, 36658), (4030, 18329)]