86991008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 186842880

約数和(自身を除く): 99851872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 1027, 1264, 2054, 2528, 2647, 4108, 5294, 8216, 10588, 16432, 21176, 32864, 34411, 42352, 68822, 84704, 137644, 209113, 275288, 418226, 550576, 836452, 1101152, 1672904, 2718469, 3345808, 5436938, 6691616, 10873876, 21747752, 43495504, 86991008]

約数ペア:

[(1, 86991008), (2, 43495504), (4, 21747752), (8, 10873876), (13, 6691616), (16, 5436938), (26, 3345808), (32, 2718469), (52, 1672904), (79, 1101152), (104, 836452), (158, 550576), (208, 418226), (316, 275288), (416, 209113), (632, 137644), (1027, 84704), (1264, 68822), (2054, 42352), (2528, 34411), (2647, 32864), (4108, 21176), (5294, 16432), (8216, 10588)]