157831256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 332467200

約数和(自身を除く): 174635944

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 79, 88, 146, 158, 292, 311, 316, 584, 622, 632, 803, 869, 1244, 1606, 1738, 2488, 3212, 3421, 3476, 5767, 6424, 6842, 6952, 11534, 13684, 22703, 23068, 24569, 27368, 45406, 46136, 49138, 63437, 90812, 98276, 126874, 181624, 196552, 249733, 253748, 270259, 499466, 507496, 540518, 998932, 1081036, 1793537, 1997864, 2162072, 3587074, 7174148, 14348296, 19728907, 39457814, 78915628, 157831256]

約数ペア:

[(1, 157831256), (2, 78915628), (4, 39457814), (8, 19728907), (11, 14348296), (22, 7174148), (44, 3587074), (73, 2162072), (79, 1997864), (88, 1793537), (146, 1081036), (158, 998932), (292, 540518), (311, 507496), (316, 499466), (584, 270259), (622, 253748), (632, 249733), (803, 196552), (869, 181624), (1244, 126874), (1606, 98276), (1738, 90812), (2488, 63437), (3212, 49138), (3421, 46136), (3476, 45406), (5767, 27368), (6424, 24569), (6842, 23068), (6952, 22703), (11534, 13684)]