645220682636

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1\times {\mathrm{20129}}^1$

素因数の和:22266

約数の個数: 48

約数和(自身を含む): 1170939554400

約数和(自身を除く): 525718871764

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1987, 3974, 4033, 7948, 8066, 16132, 20129, 40258, 73519, 80516, 147038, 216583, 294076, 433166, 744773, 866332, 1489546, 2194061, 2979092, 4388122, 8013571, 8776244, 16027142, 32054284, 39996323, 79992646, 81180257, 159985292, 162360514, 324721028, 1479863951, 2959727902, 4359599207, 5919455804, 8719198414, 17438396828, 161305170659, 322610341318, 645220682636]

約数ペア:

[(1, 645220682636), (2, 322610341318), (4, 161305170659), (37, 17438396828), (74, 8719198414), (109, 5919455804), (148, 4359599207), (218, 2959727902), (436, 1479863951), (1987, 324721028), (3974, 162360514), (4033, 159985292), (7948, 81180257), (8066, 79992646), (16132, 39996323), (20129, 32054284), (40258, 16027142), (73519, 8776244), (80516, 8013571), (147038, 4388122), (216583, 2979092), (294076, 2194061), (433166, 1489546), (744773, 866332)]