646854832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 1380258880

約数和(自身を除く): 733404048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 109, 206, 208, 218, 277, 412, 436, 554, 824, 872, 1108, 1339, 1417, 1648, 1744, 2216, 2678, 2834, 3601, 4432, 5356, 5668, 7202, 10712, 11227, 11336, 14404, 21424, 22454, 22672, 28531, 28808, 30193, 44908, 57062, 57616, 60386, 89816, 114124, 120772, 145951, 179632, 228248, 241544, 291902, 370903, 392509, 456496, 483088, 583804, 741806, 785018, 1167608, 1483612, 1570036, 2335216, 2967224, 3109879, 3140072, 5934448, 6219758, 6280144, 12439516, 24879032, 40428427, 49758064, 80856854, 161713708, 323427416, 646854832]

約数ペア:

[(1, 646854832), (2, 323427416), (4, 161713708), (8, 80856854), (13, 49758064), (16, 40428427), (26, 24879032), (52, 12439516), (103, 6280144), (104, 6219758), (109, 5934448), (206, 3140072), (208, 3109879), (218, 2967224), (277, 2335216), (412, 1570036), (436, 1483612), (554, 1167608), (824, 785018), (872, 741806), (1108, 583804), (1339, 483088), (1417, 456496), (1648, 392509), (1744, 370903), (2216, 291902), (2678, 241544), (2834, 228248), (3601, 179632), (4432, 145951), (5356, 120772), (5668, 114124), (7202, 89816), (10712, 60386), (11227, 57616), (11336, 57062), (14404, 44908), (21424, 30193), (22454, 28808), (22672, 28531)]