138475264

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{17449}}^1$

素因数の和:17496

約数の個数: 36

約数和(自身を含む): 285342400

約数和(自身を除く): 146867136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 17449, 34898, 69796, 139592, 279184, 540919, 558368, 1081838, 1116736, 2163676, 2233472, 4327352, 4466944, 8654704, 17309408, 34618816, 69237632, 138475264]

約数ペア:

[(1, 138475264), (2, 69237632), (4, 34618816), (8, 17309408), (16, 8654704), (31, 4466944), (32, 4327352), (62, 2233472), (64, 2163676), (124, 1116736), (128, 1081838), (248, 558368), (256, 540919), (496, 279184), (992, 139592), (1984, 69796), (3968, 34898), (7936, 17449)]