291212380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{856507}}^1$

素因数の和:856533

約数の個数: 24

約数和(自身を含む): 647520048

約数和(自身を除く): 356307668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 856507, 1713014, 3426028, 4282535, 8565070, 14560619, 17130140, 29121238, 58242476, 72803095, 145606190, 291212380]

約数ペア:

[(1, 291212380), (2, 145606190), (4, 72803095), (5, 58242476), (10, 29121238), (17, 17130140), (20, 14560619), (34, 8565070), (68, 4282535), (85, 3426028), (170, 1713014), (340, 856507)]