78531804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5413}}^1$

素因数の和:5467

約数の個数: 72

約数和(自身を含む): 220717952

約数和(自身を除く): 142186148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 5413, 7254, 10826, 14508, 16239, 21652, 32478, 48717, 64956, 70369, 97434, 140738, 167803, 194868, 211107, 281476, 335606, 422214, 503409, 633321, 671212, 844428, 1006818, 1266642, 1510227, 2013636, 2181439, 2533284, 3020454, 4362878, 6040908, 6544317, 8725756, 13088634, 19632951, 26177268, 39265902, 78531804]

約数ペア:

[(1, 78531804), (2, 39265902), (3, 26177268), (4, 19632951), (6, 13088634), (9, 8725756), (12, 6544317), (13, 6040908), (18, 4362878), (26, 3020454), (31, 2533284), (36, 2181439), (39, 2013636), (52, 1510227), (62, 1266642), (78, 1006818), (93, 844428), (117, 671212), (124, 633321), (156, 503409), (186, 422214), (234, 335606), (279, 281476), (372, 211107), (403, 194868), (468, 167803), (558, 140738), (806, 97434), (1116, 70369), (1209, 64956), (1612, 48717), (2418, 32478), (3627, 21652), (4836, 16239), (5413, 14508), (7254, 10826)]