222879956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 458809344

約数和(自身を除く): 235929388

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 361, 383, 403, 494, 589, 722, 766, 806, 988, 1178, 1444, 1532, 1612, 2356, 4693, 4979, 7277, 7657, 9386, 9958, 11191, 11873, 14554, 15314, 18772, 19916, 22382, 23746, 29108, 30628, 44764, 47492, 94601, 138263, 145483, 154349, 189202, 225587, 276526, 290966, 308698, 378404, 451174, 553052, 581932, 617396, 902348, 1797419, 2932631, 3594838, 4286153, 5865262, 7189676, 8572306, 11730524, 17144612, 55719989, 111439978, 222879956]

約数ペア:

[(1, 222879956), (2, 111439978), (4, 55719989), (13, 17144612), (19, 11730524), (26, 8572306), (31, 7189676), (38, 5865262), (52, 4286153), (62, 3594838), (76, 2932631), (124, 1797419), (247, 902348), (361, 617396), (383, 581932), (403, 553052), (494, 451174), (589, 378404), (722, 308698), (766, 290966), (806, 276526), (988, 225587), (1178, 189202), (1444, 154349), (1532, 145483), (1612, 138263), (2356, 94601), (4693, 47492), (4979, 44764), (7277, 30628), (7657, 29108), (9386, 23746), (9958, 22382), (11191, 19916), (11873, 18772), (14554, 15314)]