678450110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{306991}}^1$

素因数の和:307028

約数の個数: 32

約数和(自身を含む): 1392515712

約数和(自身を除く): 714065602

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 306991, 613982, 1534955, 3069910, 3990883, 5218847, 7981766, 10437694, 19954415, 26094235, 39908830, 52188470, 67845011, 135690022, 339225055, 678450110]

約数ペア:

[(1, 678450110), (2, 339225055), (5, 135690022), (10, 67845011), (13, 52188470), (17, 39908830), (26, 26094235), (34, 19954415), (65, 10437694), (85, 7981766), (130, 5218847), (170, 3990883), (221, 3069910), (442, 1534955), (1105, 613982), (2210, 306991)]