66781988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 144582144

約数和(自身を除く): 77800156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 271, 364, 542, 677, 1084, 1354, 1897, 2708, 3523, 3794, 4739, 7046, 7588, 8801, 9478, 14092, 17602, 18956, 24661, 35204, 49322, 61607, 98644, 123214, 183467, 246428, 366934, 733868, 1284269, 2385071, 2568538, 4770142, 5137076, 9540284, 16695497, 33390994, 66781988]

約数ペア:

[(1, 66781988), (2, 33390994), (4, 16695497), (7, 9540284), (13, 5137076), (14, 4770142), (26, 2568538), (28, 2385071), (52, 1284269), (91, 733868), (182, 366934), (271, 246428), (364, 183467), (542, 123214), (677, 98644), (1084, 61607), (1354, 49322), (1897, 35204), (2708, 24661), (3523, 18956), (3794, 17602), (4739, 14092), (7046, 9478), (7588, 8801)]