291237370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{19249}}^1$

素因数の和:19362

約数の個数: 32

約数和(自身を含む): 561330000

約数和(自身を除く): 270092630

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 19249, 38498, 96245, 192490, 327233, 654466, 1636165, 1713161, 3272330, 3426322, 8565805, 17131610, 29123737, 58247474, 145618685, 291237370]

約数ペア:

[(1, 291237370), (2, 145618685), (5, 58247474), (10, 29123737), (17, 17131610), (34, 8565805), (85, 3426322), (89, 3272330), (170, 1713161), (178, 1636165), (445, 654466), (890, 327233), (1513, 192490), (3026, 96245), (7565, 38498), (15130, 19249)]