1261923838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{123307}}^1$

素因数の和:123376

約数の個数: 32

約数和(自身を含む): 2343838464

約数和(自身を除く): 1081914626

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 5117, 10234, 123307, 246614, 863149, 1726298, 2096219, 4192438, 5302201, 10604402, 14673533, 29347066, 37115407, 74230814, 90137417, 180274834, 630961919, 1261923838]

約数ペア:

[(1, 1261923838), (2, 630961919), (7, 180274834), (14, 90137417), (17, 74230814), (34, 37115407), (43, 29347066), (86, 14673533), (119, 10604402), (238, 5302201), (301, 4192438), (602, 2096219), (731, 1726298), (1462, 863149), (5117, 246614), (10234, 123307)]