28778596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 63221760

約数和(自身を除く): 34443164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 308, 419, 446, 838, 892, 1561, 1676, 2453, 2933, 3122, 4609, 4906, 5866, 6244, 9218, 9812, 11732, 17171, 18436, 32263, 34342, 64526, 68684, 93437, 129052, 186874, 373748, 654059, 1027807, 1308118, 2055614, 2616236, 4111228, 7194649, 14389298, 28778596]

約数ペア:

[(1, 28778596), (2, 14389298), (4, 7194649), (7, 4111228), (11, 2616236), (14, 2055614), (22, 1308118), (28, 1027807), (44, 654059), (77, 373748), (154, 186874), (223, 129052), (308, 93437), (419, 68684), (446, 64526), (838, 34342), (892, 32263), (1561, 18436), (1676, 17171), (2453, 11732), (2933, 9812), (3122, 9218), (4609, 6244), (4906, 5866)]