71111456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 151704000

約数和(自身を除く): 80592544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 199, 208, 398, 416, 796, 859, 1592, 1718, 2587, 3184, 3436, 5174, 6368, 6872, 10348, 11167, 13744, 20696, 22334, 27488, 41392, 44668, 82784, 89336, 170941, 178672, 341882, 357344, 683764, 1367528, 2222233, 2735056, 4444466, 5470112, 8888932, 17777864, 35555728, 71111456]

約数ペア:

[(1, 71111456), (2, 35555728), (4, 17777864), (8, 8888932), (13, 5470112), (16, 4444466), (26, 2735056), (32, 2222233), (52, 1367528), (104, 683764), (199, 357344), (208, 341882), (398, 178672), (416, 170941), (796, 89336), (859, 82784), (1592, 44668), (1718, 41392), (2587, 27488), (3184, 22334), (3436, 20696), (5174, 13744), (6368, 11167), (6872, 10348)]