2785756844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2671}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 5429846016

約数和(自身を除く): 2644089172

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 647, 806, 1294, 1612, 2588, 2671, 5342, 8411, 10684, 16822, 20057, 33644, 34723, 40114, 69446, 80228, 82801, 138892, 165602, 260741, 331204, 521482, 1042964, 1076413, 1728137, 2152826, 3456274, 4305652, 6912548, 22465781, 44931562, 53572247, 89863124, 107144494, 214288988, 696439211, 1392878422, 2785756844]

約数ペア:

[(1, 2785756844), (2, 1392878422), (4, 696439211), (13, 214288988), (26, 107144494), (31, 89863124), (52, 53572247), (62, 44931562), (124, 22465781), (403, 6912548), (647, 4305652), (806, 3456274), (1294, 2152826), (1612, 1728137), (2588, 1076413), (2671, 1042964), (5342, 521482), (8411, 331204), (10684, 260741), (16822, 165602), (20057, 138892), (33644, 82801), (34723, 80228), (40114, 69446)]