139217930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{4157}}^1$

素因数の和:4378

約数の個数: 32

約数和(自身を含む): 266744016

約数和(自身を除く): 127526086

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 985, 1970, 3349, 4157, 6698, 8314, 16745, 20785, 33490, 41570, 70669, 141338, 353345, 706690, 818929, 1637858, 4094645, 8189290, 13921793, 27843586, 69608965, 139217930]

約数ペア:

[(1, 139217930), (2, 69608965), (5, 27843586), (10, 13921793), (17, 8189290), (34, 4094645), (85, 1637858), (170, 818929), (197, 706690), (394, 353345), (985, 141338), (1970, 70669), (3349, 41570), (4157, 33490), (6698, 20785), (8314, 16745)]