172438981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 220302720

約数和(自身を除く): 47863739

約数列:

[1, 11, 13, 23, 37, 109, 143, 169, 253, 299, 407, 481, 851, 1199, 1417, 1859, 2507, 3289, 3887, 4033, 5291, 6253, 9361, 11063, 15587, 18421, 27577, 32591, 42757, 44363, 52429, 68783, 92759, 121693, 143819, 202631, 358501, 423683, 576719, 681577, 1020349, 1205867, 1582009, 4660513, 7497347, 13264537, 15676271, 172438981]

約数ペア:

[(1, 172438981), (11, 15676271), (13, 13264537), (23, 7497347), (37, 4660513), (109, 1582009), (143, 1205867), (169, 1020349), (253, 681577), (299, 576719), (407, 423683), (481, 358501), (851, 202631), (1199, 143819), (1417, 121693), (1859, 92759), (2507, 68783), (3289, 52429), (3887, 44363), (4033, 42757), (5291, 32591), (6253, 27577), (9361, 18421), (11063, 15587)]