28509850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1973}}^1$

素因数の和:2019

約数の個数: 36

約数和(自身を含む): 56359674

約数和(自身を除く): 27849824

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1445, 1973, 2890, 3946, 7225, 9865, 14450, 19730, 33541, 49325, 67082, 98650, 167705, 335410, 570197, 838525, 1140394, 1677050, 2850985, 5701970, 14254925, 28509850]

約数ペア:

[(1, 28509850), (2, 14254925), (5, 5701970), (10, 2850985), (17, 1677050), (25, 1140394), (34, 838525), (50, 570197), (85, 335410), (170, 167705), (289, 98650), (425, 67082), (578, 49325), (850, 33541), (1445, 19730), (1973, 14450), (2890, 9865), (3946, 7225)]