1098656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 2469600

約数和(自身を除く): 1370944

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 139, 152, 208, 247, 278, 304, 416, 494, 556, 608, 988, 1112, 1807, 1976, 2224, 2641, 3614, 3952, 4448, 5282, 7228, 7904, 10564, 14456, 21128, 28912, 34333, 42256, 57824, 68666, 84512, 137332, 274664, 549328, 1098656]

約数ペア:

[(1, 1098656), (2, 549328), (4, 274664), (8, 137332), (13, 84512), (16, 68666), (19, 57824), (26, 42256), (32, 34333), (38, 28912), (52, 21128), (76, 14456), (104, 10564), (139, 7904), (152, 7228), (208, 5282), (247, 4448), (278, 3952), (304, 3614), (416, 2641), (494, 2224), (556, 1976), (608, 1807), (988, 1112)]