225578444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19991}}^1$

素因数の和:20046

約数の個数: 48

約数和(自身を含む): 501559296

約数和(自身を除く): 275980852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 19991, 39982, 79964, 139937, 259883, 279874, 519766, 559748, 619721, 1039532, 1239442, 1819181, 2478884, 3638362, 4338047, 7276724, 8056373, 8676094, 16112746, 17352188, 32225492, 56394611, 112789222, 225578444]

約数ペア:

[(1, 225578444), (2, 112789222), (4, 56394611), (7, 32225492), (13, 17352188), (14, 16112746), (26, 8676094), (28, 8056373), (31, 7276724), (52, 4338047), (62, 3638362), (91, 2478884), (124, 1819181), (182, 1239442), (217, 1039532), (364, 619721), (403, 559748), (434, 519766), (806, 279874), (868, 259883), (1612, 139937), (2821, 79964), (5642, 39982), (11284, 19991)]