128778056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{39551}}^1$

素因数の和:39605

約数の個数: 32

約数和(自身を含む): 270535680

約数和(自身を除く): 141757624

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 39551, 79102, 158204, 316408, 435061, 870122, 1463387, 1740244, 2926774, 3480488, 5853548, 11707096, 16097257, 32194514, 64389028, 128778056]

約数ペア:

[(1, 128778056), (2, 64389028), (4, 32194514), (8, 16097257), (11, 11707096), (22, 5853548), (37, 3480488), (44, 2926774), (74, 1740244), (88, 1463387), (148, 870122), (296, 435061), (407, 316408), (814, 158204), (1628, 79102), (3256, 39551)]