161119816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{140839}}^1$

素因数の和:140869

約数の個数: 32

約数和(自身を含む): 354916800

約数和(自身を除く): 193796984

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 140839, 281678, 563356, 1126712, 1549229, 1830907, 3098458, 3661814, 6196916, 7323628, 12393832, 14647256, 20139977, 40279954, 80559908, 161119816]

約数ペア:

[(1, 161119816), (2, 80559908), (4, 40279954), (8, 20139977), (11, 14647256), (13, 12393832), (22, 7323628), (26, 6196916), (44, 3661814), (52, 3098458), (88, 1830907), (104, 1549229), (143, 1126712), (286, 563356), (572, 281678), (1144, 140839)]