154960988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 335611584

約数和(自身を除く): 180650596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 788, 1379, 2161, 2561, 2758, 4322, 5122, 5516, 8644, 10244, 15127, 17927, 28093, 30254, 35854, 56186, 60508, 71708, 112372, 196651, 393302, 425717, 786604, 851434, 1702868, 2980019, 5534321, 5960038, 11068642, 11920076, 22137284, 38740247, 77480494, 154960988]

約数ペア:

[(1, 154960988), (2, 77480494), (4, 38740247), (7, 22137284), (13, 11920076), (14, 11068642), (26, 5960038), (28, 5534321), (52, 2980019), (91, 1702868), (182, 851434), (197, 786604), (364, 425717), (394, 393302), (788, 196651), (1379, 112372), (2161, 71708), (2561, 60508), (2758, 56186), (4322, 35854), (5122, 30254), (5516, 28093), (8644, 17927), (10244, 15127)]