278848076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2089}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 560387520

約数和(自身を除く): 281539444

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 151, 221, 302, 442, 604, 884, 1963, 2089, 2567, 3926, 4178, 5134, 7852, 8356, 10268, 27157, 33371, 35513, 54314, 66742, 71026, 108628, 133484, 142052, 315439, 461669, 630878, 923338, 1261756, 1846676, 4100707, 5362463, 8201414, 10724926, 16402828, 21449852, 69712019, 139424038, 278848076]

約数ペア:

[(1, 278848076), (2, 139424038), (4, 69712019), (13, 21449852), (17, 16402828), (26, 10724926), (34, 8201414), (52, 5362463), (68, 4100707), (151, 1846676), (221, 1261756), (302, 923338), (442, 630878), (604, 461669), (884, 315439), (1963, 142052), (2089, 133484), (2567, 108628), (3926, 71026), (4178, 66742), (5134, 54314), (7852, 35513), (8356, 33371), (10268, 27157)]