68651128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 159606720

約数和(自身を除く): 90955592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 181, 182, 362, 364, 521, 724, 728, 1042, 1267, 1448, 2084, 2353, 2534, 3647, 4168, 4706, 5068, 6773, 7294, 9412, 10136, 13546, 14588, 16471, 18824, 27092, 29176, 32942, 47411, 54184, 65884, 94301, 94822, 131768, 188602, 189644, 377204, 379288, 660107, 754408, 1225913, 1320214, 2451826, 2640428, 4903652, 5280856, 8581391, 9807304, 17162782, 34325564, 68651128]

約数ペア:

[(1, 68651128), (2, 34325564), (4, 17162782), (7, 9807304), (8, 8581391), (13, 5280856), (14, 4903652), (26, 2640428), (28, 2451826), (52, 1320214), (56, 1225913), (91, 754408), (104, 660107), (181, 379288), (182, 377204), (362, 189644), (364, 188602), (521, 131768), (724, 94822), (728, 94301), (1042, 65884), (1267, 54184), (1448, 47411), (2084, 32942), (2353, 29176), (2534, 27092), (3647, 18824), (4168, 16471), (4706, 14588), (5068, 13546), (6773, 10136), (7294, 9412)]