256781988

素因数分解:

$2^2\times 3^5\times {\mathrm{264179}}^1$

素因数の和:264198

約数の個数: 36

約数和(自身を含む): 673130640

約数和(自身を除く): 416348652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 264179, 528358, 792537, 1056716, 1585074, 2377611, 3170148, 4755222, 7132833, 9510444, 14265666, 21398499, 28531332, 42796998, 64195497, 85593996, 128390994, 256781988]

約数ペア:

[(1, 256781988), (2, 128390994), (3, 85593996), (4, 64195497), (6, 42796998), (9, 28531332), (12, 21398499), (18, 14265666), (27, 9510444), (36, 7132833), (54, 4755222), (81, 3170148), (108, 2377611), (162, 1585074), (243, 1056716), (324, 792537), (486, 528358), (972, 264179)]