208865384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{757}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 483907200

約数和(自身を除く): 275041816

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 379, 728, 757, 758, 1514, 1516, 2653, 3028, 3032, 4927, 5299, 5306, 6056, 9841, 9854, 10598, 10612, 19682, 19708, 21196, 21224, 34489, 39364, 39416, 42392, 68887, 68978, 78728, 137774, 137956, 275548, 275912, 286903, 551096, 573806, 1147612, 2008321, 2295224, 3729739, 4016642, 7459478, 8033284, 14918956, 16066568, 26108173, 29837912, 52216346, 104432692, 208865384]

約数ペア:

[(1, 208865384), (2, 104432692), (4, 52216346), (7, 29837912), (8, 26108173), (13, 16066568), (14, 14918956), (26, 8033284), (28, 7459478), (52, 4016642), (56, 3729739), (91, 2295224), (104, 2008321), (182, 1147612), (364, 573806), (379, 551096), (728, 286903), (757, 275912), (758, 275548), (1514, 137956), (1516, 137774), (2653, 78728), (3028, 68978), (3032, 68887), (4927, 42392), (5299, 39416), (5306, 39364), (6056, 34489), (9841, 21224), (9854, 21196), (10598, 19708), (10612, 19682)]