28361928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 81429120

約数和(自身を除く): 53067192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 401, 421, 802, 842, 1203, 1263, 1604, 1684, 2406, 2526, 2807, 2947, 3208, 3368, 4812, 5052, 5614, 5894, 8421, 8841, 9624, 10104, 11228, 11788, 16842, 17682, 22456, 23576, 33684, 35364, 67368, 70728, 168821, 337642, 506463, 675284, 1012926, 1181747, 1350568, 2025852, 2363494, 3545241, 4051704, 4726988, 7090482, 9453976, 14180964, 28361928]

約数ペア:

[(1, 28361928), (2, 14180964), (3, 9453976), (4, 7090482), (6, 4726988), (7, 4051704), (8, 3545241), (12, 2363494), (14, 2025852), (21, 1350568), (24, 1181747), (28, 1012926), (42, 675284), (56, 506463), (84, 337642), (168, 168821), (401, 70728), (421, 67368), (802, 35364), (842, 33684), (1203, 23576), (1263, 22456), (1604, 17682), (1684, 16842), (2406, 11788), (2526, 11228), (2807, 10104), (2947, 9624), (3208, 8841), (3368, 8421), (4812, 5894), (5052, 5614)]