645921064

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{4463}}^1$

素因数の和:4777

約数の個数: 32

約数和(自身を含む): 1232064000

約数和(自身を除く): 586142936

約数列:

[1, 2, 4, 8, 79, 158, 229, 316, 458, 632, 916, 1832, 4463, 8926, 17852, 18091, 35704, 36182, 72364, 144728, 352577, 705154, 1022027, 1410308, 2044054, 2820616, 4088108, 8176216, 80740133, 161480266, 322960532, 645921064]

約数ペア:

[(1, 645921064), (2, 322960532), (4, 161480266), (8, 80740133), (79, 8176216), (158, 4088108), (229, 2820616), (316, 2044054), (458, 1410308), (632, 1022027), (916, 705154), (1832, 352577), (4463, 144728), (8926, 72364), (17852, 36182), (18091, 35704)]