71447728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 157239936

約数和(自身を除く): 85792208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 73, 83, 88, 134, 146, 166, 176, 268, 292, 332, 536, 584, 664, 737, 803, 913, 1072, 1168, 1328, 1474, 1606, 1826, 2948, 3212, 3652, 4891, 5561, 5896, 6059, 6424, 7304, 9782, 11122, 11792, 12118, 12848, 14608, 19564, 22244, 24236, 39128, 44488, 48472, 53801, 61171, 66649, 78256, 88976, 96944, 107602, 122342, 133298, 215204, 244684, 266596, 405953, 430408, 489368, 533192, 811906, 860816, 978736, 1066384, 1623812, 3247624, 4465483, 6495248, 8930966, 17861932, 35723864, 71447728]

約数ペア:

[(1, 71447728), (2, 35723864), (4, 17861932), (8, 8930966), (11, 6495248), (16, 4465483), (22, 3247624), (44, 1623812), (67, 1066384), (73, 978736), (83, 860816), (88, 811906), (134, 533192), (146, 489368), (166, 430408), (176, 405953), (268, 266596), (292, 244684), (332, 215204), (536, 133298), (584, 122342), (664, 107602), (737, 96944), (803, 88976), (913, 78256), (1072, 66649), (1168, 61171), (1328, 53801), (1474, 48472), (1606, 44488), (1826, 39128), (2948, 24236), (3212, 22244), (3652, 19564), (4891, 14608), (5561, 12848), (5896, 12118), (6059, 11792), (6424, 11122), (7304, 9782)]