28667470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16963}}^1$

素因数の和:16996

約数の個数: 24

約数和(自身を含む): 55879416

約数和(自身を除く): 27211946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16963, 33926, 84815, 169630, 220519, 441038, 1102595, 2205190, 2866747, 5733494, 14333735, 28667470]

約数ペア:

[(1, 28667470), (2, 14333735), (5, 5733494), (10, 2866747), (13, 2205190), (26, 1102595), (65, 441038), (130, 220519), (169, 169630), (338, 84815), (845, 33926), (1690, 16963)]