890243744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{3761}}^1$

素因数の和:4353

約数の個数: 48

約数和(自身を含む): 1891307880

約数和(自身を除く): 1001064136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 569, 1138, 2276, 3761, 4552, 7397, 7522, 9104, 14794, 15044, 18208, 29588, 30088, 48893, 59176, 60176, 97786, 118352, 120352, 195572, 236704, 391144, 782288, 1564576, 2140009, 4280018, 8560036, 17120072, 27820117, 34240144, 55640234, 68480288, 111280468, 222560936, 445121872, 890243744]

約数ペア:

[(1, 890243744), (2, 445121872), (4, 222560936), (8, 111280468), (13, 68480288), (16, 55640234), (26, 34240144), (32, 27820117), (52, 17120072), (104, 8560036), (208, 4280018), (416, 2140009), (569, 1564576), (1138, 782288), (2276, 391144), (3761, 236704), (4552, 195572), (7397, 120352), (7522, 118352), (9104, 97786), (14794, 60176), (15044, 59176), (18208, 48893), (29588, 30088)]