819955456

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 1700150144

約数和(自身を除く): 880194688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 277, 373, 496, 554, 746, 992, 1108, 1492, 1984, 2216, 2984, 3968, 4432, 5968, 7936, 8587, 8864, 11563, 11936, 17174, 17728, 23126, 23872, 34348, 35456, 46252, 47744, 68696, 70912, 92504, 95488, 103321, 137392, 185008, 206642, 274784, 370016, 413284, 549568, 740032, 826568, 1099136, 1480064, 1653136, 2198272, 2960128, 3202951, 3306272, 6405902, 6612544, 12811804, 13225088, 25623608, 26450176, 51247216, 102494432, 204988864, 409977728, 819955456]

約数ペア:

[(1, 819955456), (2, 409977728), (4, 204988864), (8, 102494432), (16, 51247216), (31, 26450176), (32, 25623608), (62, 13225088), (64, 12811804), (124, 6612544), (128, 6405902), (248, 3306272), (256, 3202951), (277, 2960128), (373, 2198272), (496, 1653136), (554, 1480064), (746, 1099136), (992, 826568), (1108, 740032), (1492, 549568), (1984, 413284), (2216, 370016), (2984, 274784), (3968, 206642), (4432, 185008), (5968, 137392), (7936, 103321), (8587, 95488), (8864, 92504), (11563, 70912), (11936, 68696), (17174, 47744), (17728, 46252), (23126, 35456), (23872, 34348)]