408863896

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^2\times {\mathrm{389}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 884847600

約数和(自身を除く): 475983704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 389, 548, 778, 959, 1096, 1556, 1918, 2723, 3112, 3836, 5446, 7672, 10892, 18769, 21784, 37538, 53293, 75076, 106586, 131383, 150152, 213172, 262766, 373051, 426344, 525532, 746102, 1051064, 1492204, 2984408, 7301141, 14602282, 29204564, 51107987, 58409128, 102215974, 204431948, 408863896]

約数ペア:

[(1, 408863896), (2, 204431948), (4, 102215974), (7, 58409128), (8, 51107987), (14, 29204564), (28, 14602282), (56, 7301141), (137, 2984408), (274, 1492204), (389, 1051064), (548, 746102), (778, 525532), (959, 426344), (1096, 373051), (1556, 262766), (1918, 213172), (2723, 150152), (3112, 131383), (3836, 106586), (5446, 75076), (7672, 53293), (10892, 37538), (18769, 21784)]