981569290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{883}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 2020951296

約数和(自身を除く): 1039382006

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 503, 883, 1006, 1105, 1766, 2210, 2515, 4415, 5030, 6539, 8551, 8830, 11479, 13078, 15011, 17102, 22958, 30022, 32695, 42755, 57395, 65390, 75055, 85510, 111163, 114790, 150110, 195143, 222326, 390286, 444149, 555815, 888298, 975715, 1111630, 1951430, 2220745, 4441490, 5773937, 7550533, 11547874, 15101066, 28869685, 37752665, 57739370, 75505330, 98156929, 196313858, 490784645, 981569290]

約数ペア:

[(1, 981569290), (2, 490784645), (5, 196313858), (10, 98156929), (13, 75505330), (17, 57739370), (26, 37752665), (34, 28869685), (65, 15101066), (85, 11547874), (130, 7550533), (170, 5773937), (221, 4441490), (442, 2220745), (503, 1951430), (883, 1111630), (1006, 975715), (1105, 888298), (1766, 555815), (2210, 444149), (2515, 390286), (4415, 222326), (5030, 195143), (6539, 150110), (8551, 114790), (8830, 111163), (11479, 85510), (13078, 75055), (15011, 65390), (17102, 57395), (22958, 42755), (30022, 32695)]