9789890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 19552320

約数和(自身を除く): 9762430

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 1459, 2918, 3355, 6710, 7295, 14590, 16049, 32098, 80245, 88999, 160490, 177998, 444995, 889990, 978989, 1957978, 4894945, 9789890]

約数ペア:

[(1, 9789890), (2, 4894945), (5, 1957978), (10, 978989), (11, 889990), (22, 444995), (55, 177998), (61, 160490), (110, 88999), (122, 80245), (305, 32098), (610, 16049), (671, 14590), (1342, 7295), (1459, 6710), (2918, 3355)]