28327884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 75339264

約数和(自身を除く): 47011380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 43, 52, 78, 82, 86, 103, 123, 129, 156, 164, 172, 206, 246, 258, 309, 412, 492, 516, 533, 559, 618, 1066, 1118, 1236, 1339, 1599, 1677, 1763, 2132, 2236, 2678, 3198, 3354, 3526, 4017, 4223, 4429, 5289, 5356, 6396, 6708, 7052, 8034, 8446, 8858, 10578, 12669, 13287, 16068, 16892, 17716, 21156, 22919, 25338, 26574, 45838, 50676, 53148, 54899, 57577, 68757, 91676, 109798, 115154, 137514, 164697, 172731, 181589, 219596, 230308, 275028, 329394, 345462, 363178, 544767, 658788, 690924, 726356, 1089534, 2179068, 2360657, 4721314, 7081971, 9442628, 14163942, 28327884]

約数ペア:

[(1, 28327884), (2, 14163942), (3, 9442628), (4, 7081971), (6, 4721314), (12, 2360657), (13, 2179068), (26, 1089534), (39, 726356), (41, 690924), (43, 658788), (52, 544767), (78, 363178), (82, 345462), (86, 329394), (103, 275028), (123, 230308), (129, 219596), (156, 181589), (164, 172731), (172, 164697), (206, 137514), (246, 115154), (258, 109798), (309, 91676), (412, 68757), (492, 57577), (516, 54899), (533, 53148), (559, 50676), (618, 45838), (1066, 26574), (1118, 25338), (1236, 22919), (1339, 21156), (1599, 17716), (1677, 16892), (1763, 16068), (2132, 13287), (2236, 12669), (2678, 10578), (3198, 8858), (3354, 8446), (3526, 8034), (4017, 7052), (4223, 6708), (4429, 6396), (5289, 5356)]