16964725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 22498560

約数和(自身を除く): 5533835

約数列:

[1, 5, 17, 25, 85, 179, 223, 425, 895, 1115, 3043, 3791, 4475, 5575, 15215, 18955, 39917, 76075, 94775, 199585, 678589, 997925, 3392945, 16964725]

約数ペア:

[(1, 16964725), (5, 3392945), (17, 997925), (25, 678589), (85, 199585), (179, 94775), (223, 76075), (425, 39917), (895, 18955), (1115, 15215), (3043, 5575), (3791, 4475)]