199995138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42899}}^1$

素因数の和:42951

約数の個数: 48

約数和(自身を含む): 508622400

約数和(自身を除く): 308627262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 42899, 85798, 128697, 257394, 300293, 386091, 600586, 772182, 900879, 1587263, 1801758, 2702637, 3174526, 4761789, 5405274, 9523578, 11110841, 14285367, 22221682, 28570734, 33332523, 66665046, 99997569, 199995138]

約数ペア:

[(1, 199995138), (2, 99997569), (3, 66665046), (6, 33332523), (7, 28570734), (9, 22221682), (14, 14285367), (18, 11110841), (21, 9523578), (37, 5405274), (42, 4761789), (63, 3174526), (74, 2702637), (111, 1801758), (126, 1587263), (222, 900879), (259, 772182), (333, 600586), (518, 386091), (666, 300293), (777, 257394), (1554, 128697), (2331, 85798), (4662, 42899)]