647916244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 1207664640

約数和(自身を除く): 559748396

約数列:

[1, 2, 4, 31, 47, 62, 94, 107, 124, 188, 214, 428, 1039, 1457, 2078, 2914, 3317, 4156, 5029, 5828, 6634, 10058, 13268, 20116, 32209, 48833, 64418, 97666, 111173, 128836, 155899, 195332, 222346, 311798, 444692, 623596, 1513823, 3027646, 3446363, 5225131, 6055292, 6892726, 10450262, 13785452, 20900524, 161979061, 323958122, 647916244]

約数ペア:

[(1, 647916244), (2, 323958122), (4, 161979061), (31, 20900524), (47, 13785452), (62, 10450262), (94, 6892726), (107, 6055292), (124, 5225131), (188, 3446363), (214, 3027646), (428, 1513823), (1039, 623596), (1457, 444692), (2078, 311798), (2914, 222346), (3317, 195332), (4156, 155899), (5029, 128836), (5828, 111173), (6634, 97666), (10058, 64418), (13268, 48833), (20116, 32209)]