2078459728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{12007}}^1$

素因数の和:12395

約数の個数: 40

約数和(自身を含む): 4169177600

約数和(自身を除く): 2090717872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 349, 496, 698, 1396, 2792, 5584, 10819, 12007, 21638, 24014, 43276, 48028, 86552, 96056, 173104, 192112, 372217, 744434, 1488868, 2977736, 4190443, 5955472, 8380886, 16761772, 33523544, 67047088, 129903733, 259807466, 519614932, 1039229864, 2078459728]

約数ペア:

[(1, 2078459728), (2, 1039229864), (4, 519614932), (8, 259807466), (16, 129903733), (31, 67047088), (62, 33523544), (124, 16761772), (248, 8380886), (349, 5955472), (496, 4190443), (698, 2977736), (1396, 1488868), (2792, 744434), (5584, 372217), (10819, 192112), (12007, 173104), (21638, 96056), (24014, 86552), (43276, 48028)]