389675432

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 739632000

約数和(自身を除く): 349956568

約数列:

[1, 2, 4, 8, 151, 199, 302, 398, 604, 796, 1208, 1592, 1621, 3242, 6484, 12968, 30049, 60098, 120196, 240392, 244771, 322579, 489542, 645158, 979084, 1290316, 1958168, 2580632, 48709429, 97418858, 194837716, 389675432]

約数ペア:

[(1, 389675432), (2, 194837716), (4, 97418858), (8, 48709429), (151, 2580632), (199, 1958168), (302, 1290316), (398, 979084), (604, 645158), (796, 489542), (1208, 322579), (1592, 244771), (1621, 240392), (3242, 120196), (6484, 60098), (12968, 30049)]