638605872

素因数分解:

$2^4\times 3^2\times {\mathrm{1861}}^1\times {\mathrm{2383}}^1$

素因数の和:4258

約数の個数: 60

約数和(自身を含む): 1788920224

約数和(自身を除く): 1150314352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1861, 2383, 3722, 4766, 5583, 7149, 7444, 9532, 11166, 14298, 14888, 16749, 19064, 21447, 22332, 28596, 29776, 33498, 38128, 42894, 44664, 57192, 66996, 85788, 89328, 114384, 133992, 171576, 267984, 343152, 4434763, 8869526, 13304289, 17739052, 26608578, 35478104, 39912867, 53217156, 70956208, 79825734, 106434312, 159651468, 212868624, 319302936, 638605872]

約数ペア:

[(1, 638605872), (2, 319302936), (3, 212868624), (4, 159651468), (6, 106434312), (8, 79825734), (9, 70956208), (12, 53217156), (16, 39912867), (18, 35478104), (24, 26608578), (36, 17739052), (48, 13304289), (72, 8869526), (144, 4434763), (1861, 343152), (2383, 267984), (3722, 171576), (4766, 133992), (5583, 114384), (7149, 89328), (7444, 85788), (9532, 66996), (11166, 57192), (14298, 44664), (14888, 42894), (16749, 38128), (19064, 33498), (21447, 29776), (22332, 28596)]