721463808

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{36131}}^1$

素因数の和:36165

約数の個数: 80

約数和(自身を含む): 2069930016

約数和(自身を除く): 1348466208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1248, 1536, 1664, 2496, 3328, 4992, 6656, 9984, 19968, 36131, 72262, 108393, 144524, 216786, 289048, 433572, 469703, 578096, 867144, 939406, 1156192, 1409109, 1734288, 1878812, 2312384, 2818218, 3468576, 3757624, 4624768, 5636436, 6937152, 7515248, 9249536, 11272872, 13874304, 15030496, 18499072, 22545744, 27748608, 30060992, 45091488, 55497216, 60121984, 90182976, 120243968, 180365952, 240487936, 360731904, 721463808]

約数ペア:

[(1, 721463808), (2, 360731904), (3, 240487936), (4, 180365952), (6, 120243968), (8, 90182976), (12, 60121984), (13, 55497216), (16, 45091488), (24, 30060992), (26, 27748608), (32, 22545744), (39, 18499072), (48, 15030496), (52, 13874304), (64, 11272872), (78, 9249536), (96, 7515248), (104, 6937152), (128, 5636436), (156, 4624768), (192, 3757624), (208, 3468576), (256, 2818218), (312, 2312384), (384, 1878812), (416, 1734288), (512, 1409109), (624, 1156192), (768, 939406), (832, 867144), (1248, 578096), (1536, 469703), (1664, 433572), (2496, 289048), (3328, 216786), (4992, 144524), (6656, 108393), (9984, 72262), (19968, 36131)]