198121464

素因数分解:

$2^3\times 3^4\times {\mathrm{305743}}^1$

素因数の和:305761

約数の個数: 40

約数和(自身を含む): 554925360

約数和(自身を除く): 356803896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 305743, 611486, 917229, 1222972, 1834458, 2445944, 2751687, 3668916, 5503374, 7337832, 8255061, 11006748, 16510122, 22013496, 24765183, 33020244, 49530366, 66040488, 99060732, 198121464]

約数ペア:

[(1, 198121464), (2, 99060732), (3, 66040488), (4, 49530366), (6, 33020244), (8, 24765183), (9, 22013496), (12, 16510122), (18, 11006748), (24, 8255061), (27, 7337832), (36, 5503374), (54, 3668916), (72, 2751687), (81, 2445944), (108, 1834458), (162, 1222972), (216, 917229), (324, 611486), (648, 305743)]