12968945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 18040320

約数和(自身を除く): 5071375

約数列:

[1, 5, 11, 29, 47, 55, 145, 173, 235, 319, 517, 865, 1363, 1595, 1903, 2585, 5017, 6815, 8131, 9515, 14993, 25085, 40655, 55187, 74965, 89441, 235799, 275935, 447205, 1178995, 2593789, 12968945]

約数ペア:

[(1, 12968945), (5, 2593789), (11, 1178995), (29, 447205), (47, 275935), (55, 235799), (145, 89441), (173, 74965), (235, 55187), (319, 40655), (517, 25085), (865, 14993), (1363, 9515), (1595, 8131), (1903, 6815), (2585, 5017)]