25947376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 37048592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 251, 284, 364, 497, 502, 568, 728, 923, 994, 1004, 1136, 1456, 1757, 1846, 1988, 2008, 3263, 3514, 3692, 3976, 4016, 6461, 6526, 7028, 7384, 7952, 12922, 13052, 14056, 14768, 17821, 22841, 25844, 26104, 28112, 35642, 45682, 51688, 52208, 71284, 91364, 103376, 124747, 142568, 182728, 231673, 249494, 285136, 365456, 463346, 498988, 926692, 997976, 1621711, 1853384, 1995952, 3243422, 3706768, 6486844, 12973688, 25947376]

約数ペア:

[(1, 25947376), (2, 12973688), (4, 6486844), (7, 3706768), (8, 3243422), (13, 1995952), (14, 1853384), (16, 1621711), (26, 997976), (28, 926692), (52, 498988), (56, 463346), (71, 365456), (91, 285136), (104, 249494), (112, 231673), (142, 182728), (182, 142568), (208, 124747), (251, 103376), (284, 91364), (364, 71284), (497, 52208), (502, 51688), (568, 45682), (728, 35642), (923, 28112), (994, 26104), (1004, 25844), (1136, 22841), (1456, 17821), (1757, 14768), (1846, 14056), (1988, 13052), (2008, 12922), (3263, 7952), (3514, 7384), (3692, 7028), (3976, 6526), (4016, 6461)]