12990210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25471}}^1$

素因数の和:25498

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 20021502

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 25471, 50942, 76413, 127355, 152826, 254710, 382065, 433007, 764130, 866014, 1299021, 2165035, 2598042, 4330070, 6495105, 12990210]

約数ペア:

[(1, 12990210), (2, 6495105), (3, 4330070), (5, 2598042), (6, 2165035), (10, 1299021), (15, 866014), (17, 764130), (30, 433007), (34, 382065), (51, 254710), (85, 152826), (102, 127355), (170, 76413), (255, 50942), (510, 25471)]