398401861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 495290880

約数和(自身を除く): 96889019

約数列:

[1, 11, 13, 19, 143, 209, 247, 331, 443, 2717, 3641, 4303, 4873, 5759, 6289, 8417, 47333, 63349, 69179, 81757, 92587, 109421, 146633, 899327, 1203631, 1612963, 1906229, 2786027, 20968519, 30646297, 36218351, 398401861]

約数ペア:

[(1, 398401861), (11, 36218351), (13, 30646297), (19, 20968519), (143, 2786027), (209, 1906229), (247, 1612963), (331, 1203631), (443, 899327), (2717, 146633), (3641, 109421), (4303, 92587), (4873, 81757), (5759, 69179), (6289, 63349), (8417, 47333)]