28059668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 60945024

約数和(自身を除く): 32885356

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 491, 628, 982, 1099, 1964, 2041, 2198, 3437, 4082, 4396, 6383, 6874, 8164, 12766, 13748, 14287, 25532, 28574, 44681, 57148, 77087, 89362, 154174, 178724, 308348, 539609, 1002131, 1079218, 2004262, 2158436, 4008524, 7014917, 14029834, 28059668]

約数ペア:

[(1, 28059668), (2, 14029834), (4, 7014917), (7, 4008524), (13, 2158436), (14, 2004262), (26, 1079218), (28, 1002131), (52, 539609), (91, 308348), (157, 178724), (182, 154174), (314, 89362), (364, 77087), (491, 57148), (628, 44681), (982, 28574), (1099, 25532), (1964, 14287), (2041, 13748), (2198, 12766), (3437, 8164), (4082, 6874), (4396, 6383)]