211319668

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^2\times {\mathrm{331}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 426742176

約数和(自身を除く): 215422508

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 331, 604, 662, 1057, 1324, 2114, 2317, 4228, 4634, 9268, 22801, 45602, 49981, 91204, 99962, 159607, 199924, 319214, 349867, 638428, 699734, 1399468, 7547131, 15094262, 30188524, 52829917, 105659834, 211319668]

約数ペア:

[(1, 211319668), (2, 105659834), (4, 52829917), (7, 30188524), (14, 15094262), (28, 7547131), (151, 1399468), (302, 699734), (331, 638428), (604, 349867), (662, 319214), (1057, 199924), (1324, 159607), (2114, 99962), (2317, 91204), (4228, 49981), (4634, 45602), (9268, 22801)]