1215449984

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43759}}^1$

素因数の和:43811

約数の個数: 64

約数和(自身を含む): 2856652800

約数和(自身を除く): 1641202816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 13888, 27776, 43759, 87518, 175036, 306313, 350072, 612626, 700144, 1225252, 1356529, 1400288, 2450504, 2713058, 2800576, 4901008, 5426116, 5601152, 9495703, 9802016, 10852232, 18991406, 19604032, 21704464, 37982812, 39208064, 43408928, 75965624, 86817856, 151931248, 173635712, 303862496, 607724992, 1215449984]

約数ペア:

[(1, 1215449984), (2, 607724992), (4, 303862496), (7, 173635712), (8, 151931248), (14, 86817856), (16, 75965624), (28, 43408928), (31, 39208064), (32, 37982812), (56, 21704464), (62, 19604032), (64, 18991406), (112, 10852232), (124, 9802016), (128, 9495703), (217, 5601152), (224, 5426116), (248, 4901008), (434, 2800576), (448, 2713058), (496, 2450504), (868, 1400288), (896, 1356529), (992, 1225252), (1736, 700144), (1984, 612626), (3472, 350072), (3968, 306313), (6944, 175036), (13888, 87518), (27776, 43759)]