81870064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 166239360

約数和(自身を除く): 84369296

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 379, 587, 758, 1174, 1516, 2348, 3032, 4696, 6064, 8717, 9392, 13501, 17434, 27002, 34868, 54004, 69736, 108008, 139472, 216016, 222473, 444946, 889892, 1779784, 3559568, 5116879, 10233758, 20467516, 40935032, 81870064]

約数ペア:

[(1, 81870064), (2, 40935032), (4, 20467516), (8, 10233758), (16, 5116879), (23, 3559568), (46, 1779784), (92, 889892), (184, 444946), (368, 222473), (379, 216016), (587, 139472), (758, 108008), (1174, 69736), (1516, 54004), (2348, 34868), (3032, 27002), (4696, 17434), (6064, 13501), (8717, 9392)]