28931773

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 6291779

約数列:

[1, 13, 17, 31, 41, 103, 221, 403, 527, 533, 697, 1271, 1339, 1751, 3193, 4223, 6851, 9061, 16523, 21607, 22763, 41509, 54281, 54899, 71791, 130913, 280891, 705653, 933283, 1701869, 2225521, 28931773]

約数ペア:

[(1, 28931773), (13, 2225521), (17, 1701869), (31, 933283), (41, 705653), (103, 280891), (221, 130913), (403, 71791), (527, 54899), (533, 54281), (697, 41509), (1271, 22763), (1339, 21607), (1751, 16523), (3193, 9061), (4223, 6851)]