199998072

素因数分解:

$2^3\times 3^4\times {\mathrm{308639}}^1$

素因数の和:308657

約数の個数: 40

約数和(自身を含む): 560181600

約数和(自身を除く): 360183528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 308639, 617278, 925917, 1234556, 1851834, 2469112, 2777751, 3703668, 5555502, 7407336, 8333253, 11111004, 16666506, 22222008, 24999759, 33333012, 49999518, 66666024, 99999036, 199998072]

約数ペア:

[(1, 199998072), (2, 99999036), (3, 66666024), (4, 49999518), (6, 33333012), (8, 24999759), (9, 22222008), (12, 16666506), (18, 11111004), (24, 8333253), (27, 7407336), (36, 5555502), (54, 3703668), (72, 2777751), (81, 2469112), (108, 1851834), (162, 1234556), (216, 925917), (324, 617278), (648, 308639)]