64403872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{11909}}^1$

素因数の和:11945

約数の個数: 36

約数和(自身を含む): 137310390

約数和(自身を除く): 72906518

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 11909, 23818, 47636, 95272, 154817, 190544, 309634, 381088, 619268, 1238536, 2012621, 2477072, 4025242, 4954144, 8050484, 16100968, 32201936, 64403872]

約数ペア:

[(1, 64403872), (2, 32201936), (4, 16100968), (8, 8050484), (13, 4954144), (16, 4025242), (26, 2477072), (32, 2012621), (52, 1238536), (104, 619268), (169, 381088), (208, 309634), (338, 190544), (416, 154817), (676, 95272), (1352, 47636), (2704, 23818), (5408, 11909)]