399004504

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{12373}}^1$

素因数の和:12547

約数の個数: 32

約数和(自身を含む): 779562000

約数和(自身を除く): 380557496

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 278, 556, 1112, 4031, 8062, 12373, 16124, 24746, 32248, 49492, 98984, 358817, 717634, 1435268, 1719847, 2870536, 3439694, 6879388, 13758776, 49875563, 99751126, 199502252, 399004504]

約数ペア:

[(1, 399004504), (2, 199502252), (4, 99751126), (8, 49875563), (29, 13758776), (58, 6879388), (116, 3439694), (139, 2870536), (232, 1719847), (278, 1435268), (556, 717634), (1112, 358817), (4031, 98984), (8062, 49492), (12373, 32248), (16124, 24746)]