203411131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 268485120

約数和(自身を除く): 65073989

約数列:

[1, 7, 11, 19, 77, 133, 209, 257, 541, 1463, 1799, 2827, 3787, 4883, 5951, 10279, 19789, 34181, 41657, 53713, 71953, 113069, 139037, 375991, 791483, 973259, 1529407, 2641703, 10705849, 18491921, 29058733, 203411131]

約数ペア:

[(1, 203411131), (7, 29058733), (11, 18491921), (19, 10705849), (77, 2641703), (133, 1529407), (209, 973259), (257, 791483), (541, 375991), (1463, 139037), (1799, 113069), (2827, 71953), (3787, 53713), (4883, 41657), (5951, 34181), (10279, 19789)]