281363260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827539}}^1$

素因数の和:827565

約数の個数: 24

約数和(自身を含む): 625620240

約数和(自身を除く): 344256980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 827539, 1655078, 3310156, 4137695, 8275390, 14068163, 16550780, 28136326, 56272652, 70340815, 140681630, 281363260]

約数ペア:

[(1, 281363260), (2, 140681630), (4, 70340815), (5, 56272652), (10, 28136326), (17, 16550780), (20, 14068163), (34, 8275390), (68, 4137695), (85, 3310156), (170, 1655078), (340, 827539)]