1406306816

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:653

約数の個数: 80

約数和(自身を含む): 2920313088

約数和(自身を除く): 1514006272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 251, 256, 353, 496, 502, 512, 706, 992, 1004, 1412, 1984, 2008, 2824, 3968, 4016, 5648, 7781, 7936, 8032, 10943, 11296, 15562, 15872, 16064, 21886, 22592, 31124, 32128, 43772, 45184, 62248, 64256, 87544, 88603, 90368, 124496, 128512, 175088, 177206, 180736, 248992, 350176, 354412, 497984, 700352, 708824, 995968, 1400704, 1417648, 1991936, 2746693, 2801408, 2835296, 3983872, 5493386, 5602816, 5670592, 10986772, 11341184, 21973544, 22682368, 43947088, 45364736, 87894176, 175788352, 351576704, 703153408, 1406306816]

約数ペア:

[(1, 1406306816), (2, 703153408), (4, 351576704), (8, 175788352), (16, 87894176), (31, 45364736), (32, 43947088), (62, 22682368), (64, 21973544), (124, 11341184), (128, 10986772), (248, 5670592), (251, 5602816), (256, 5493386), (353, 3983872), (496, 2835296), (502, 2801408), (512, 2746693), (706, 1991936), (992, 1417648), (1004, 1400704), (1412, 995968), (1984, 708824), (2008, 700352), (2824, 497984), (3968, 354412), (4016, 350176), (5648, 248992), (7781, 180736), (7936, 177206), (8032, 175088), (10943, 128512), (11296, 124496), (15562, 90368), (15872, 88603), (16064, 87544), (21886, 64256), (22592, 62248), (31124, 45184), (32128, 43772)]