66612208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 145678176

約数和(自身を除く): 79065968

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 73, 82, 104, 107, 146, 164, 208, 214, 292, 328, 428, 533, 584, 656, 856, 949, 1066, 1168, 1391, 1712, 1898, 2132, 2782, 2993, 3796, 4264, 4387, 5564, 5986, 7592, 7811, 8528, 8774, 11128, 11972, 15184, 15622, 17548, 22256, 23944, 31244, 35096, 38909, 47888, 57031, 62488, 70192, 77818, 101543, 114062, 124976, 155636, 203086, 228124, 311272, 320251, 406172, 456248, 622544, 640502, 812344, 912496, 1281004, 1624688, 2562008, 4163263, 5124016, 8326526, 16653052, 33306104, 66612208]

約数ペア:

[(1, 66612208), (2, 33306104), (4, 16653052), (8, 8326526), (13, 5124016), (16, 4163263), (26, 2562008), (41, 1624688), (52, 1281004), (73, 912496), (82, 812344), (104, 640502), (107, 622544), (146, 456248), (164, 406172), (208, 320251), (214, 311272), (292, 228124), (328, 203086), (428, 155636), (533, 124976), (584, 114062), (656, 101543), (856, 77818), (949, 70192), (1066, 62488), (1168, 57031), (1391, 47888), (1712, 38909), (1898, 35096), (2132, 31244), (2782, 23944), (2993, 22256), (3796, 17548), (4264, 15622), (4387, 15184), (5564, 11972), (5986, 11128), (7592, 8774), (7811, 8528)]