28967250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3004

約数の個数: 64

約数和(自身を含む): 77890176

約数和(自身を除く): 48922926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2971, 3250, 4875, 5942, 8913, 9750, 14855, 17826, 29710, 38623, 44565, 74275, 77246, 89130, 115869, 148550, 193115, 222825, 231738, 371375, 386230, 445650, 579345, 742750, 965575, 1114125, 1158690, 1931150, 2228250, 2896725, 4827875, 5793450, 9655750, 14483625, 28967250]

約数ペア:

[(1, 28967250), (2, 14483625), (3, 9655750), (5, 5793450), (6, 4827875), (10, 2896725), (13, 2228250), (15, 1931150), (25, 1158690), (26, 1114125), (30, 965575), (39, 742750), (50, 579345), (65, 445650), (75, 386230), (78, 371375), (125, 231738), (130, 222825), (150, 193115), (195, 148550), (250, 115869), (325, 89130), (375, 77246), (390, 74275), (650, 44565), (750, 38623), (975, 29710), (1625, 17826), (1950, 14855), (2971, 9750), (3250, 8913), (4875, 5942)]