199742728

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 378623520

約数和(自身を除く): 178880792

約数列:

[1, 2, 4, 8, 211, 241, 422, 482, 491, 844, 964, 982, 1688, 1928, 1964, 3928, 50851, 101702, 103601, 118331, 203404, 207202, 236662, 406808, 414404, 473324, 828808, 946648, 24967841, 49935682, 99871364, 199742728]

約数ペア:

[(1, 199742728), (2, 99871364), (4, 49935682), (8, 24967841), (211, 946648), (241, 828808), (422, 473324), (482, 414404), (491, 406808), (844, 236662), (964, 207202), (982, 203404), (1688, 118331), (1928, 103601), (1964, 101702), (3928, 50851)]