407494256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63197}}^1$

素因数の和:63249

約数の個数: 40

約数和(自身を含む): 877693824

約数和(自身を除く): 470199568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 63197, 126394, 252788, 505576, 821561, 1011152, 1643122, 1959107, 3286244, 3918214, 6572488, 7836428, 13144976, 15672856, 25468391, 31345712, 50936782, 101873564, 203747128, 407494256]

約数ペア:

[(1, 407494256), (2, 203747128), (4, 101873564), (8, 50936782), (13, 31345712), (16, 25468391), (26, 15672856), (31, 13144976), (52, 7836428), (62, 6572488), (104, 3918214), (124, 3286244), (208, 1959107), (248, 1643122), (403, 1011152), (496, 821561), (806, 505576), (1612, 252788), (3224, 126394), (6448, 63197)]