1991796128

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{769}}^1$

素因数の和:1190

約数の個数: 96

約数和(自身を含む): 4644541440

約数和(自身を除く): 2652745312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 373, 434, 496, 746, 769, 868, 992, 1492, 1538, 1736, 2611, 2984, 3076, 3472, 5222, 5383, 5968, 6152, 6944, 10444, 10766, 11563, 11936, 12304, 20888, 21532, 23126, 23839, 24608, 41776, 43064, 46252, 47678, 80941, 83552, 86128, 92504, 95356, 161882, 166873, 172256, 185008, 190712, 286837, 323764, 333746, 370016, 381424, 573674, 647528, 667492, 762848, 1147348, 1295056, 1334984, 2007859, 2294696, 2590112, 2669968, 4015718, 4589392, 5339936, 8031436, 8891947, 9178784, 16062872, 17783894, 32125744, 35567788, 62243629, 64251488, 71135576, 124487258, 142271152, 248974516, 284542304, 497949032, 995898064, 1991796128]

約数ペア:

[(1, 1991796128), (2, 995898064), (4, 497949032), (7, 284542304), (8, 248974516), (14, 142271152), (16, 124487258), (28, 71135576), (31, 64251488), (32, 62243629), (56, 35567788), (62, 32125744), (112, 17783894), (124, 16062872), (217, 9178784), (224, 8891947), (248, 8031436), (373, 5339936), (434, 4589392), (496, 4015718), (746, 2669968), (769, 2590112), (868, 2294696), (992, 2007859), (1492, 1334984), (1538, 1295056), (1736, 1147348), (2611, 762848), (2984, 667492), (3076, 647528), (3472, 573674), (5222, 381424), (5383, 370016), (5968, 333746), (6152, 323764), (6944, 286837), (10444, 190712), (10766, 185008), (11563, 172256), (11936, 166873), (12304, 161882), (20888, 95356), (21532, 92504), (23126, 86128), (23839, 83552), (24608, 80941), (41776, 47678), (43064, 46252)]