2566564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 6039936

約数和(自身を除く): 3473372

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 641, 1001, 1282, 2002, 2564, 4004, 4487, 7051, 8333, 8974, 14102, 16666, 17948, 28204, 33332, 49357, 58331, 91663, 98714, 116662, 183326, 197428, 233324, 366652, 641641, 1283282, 2566564]

約数ペア:

[(1, 2566564), (2, 1283282), (4, 641641), (7, 366652), (11, 233324), (13, 197428), (14, 183326), (22, 116662), (26, 98714), (28, 91663), (44, 58331), (52, 49357), (77, 33332), (91, 28204), (143, 17948), (154, 16666), (182, 14102), (286, 8974), (308, 8333), (364, 7051), (572, 4487), (641, 4004), (1001, 2564), (1282, 2002)]