28219150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{33199}}^1$

素因数の和:33228

約数の個数: 24

約数和(自身を含む): 55576800

約数和(自身を除く): 27357650

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 33199, 66398, 165995, 331990, 564383, 829975, 1128766, 1659950, 2821915, 5643830, 14109575, 28219150]

約数ペア:

[(1, 28219150), (2, 14109575), (5, 5643830), (10, 2821915), (17, 1659950), (25, 1128766), (34, 829975), (50, 564383), (85, 331990), (170, 165995), (425, 66398), (850, 33199)]