397996914

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71249}}^1$

素因数の和:71287

約数の個数: 48

約数和(自身を含む): 974700000

約数和(自身を除く): 576703086

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 5586, 71249, 142498, 213747, 427494, 498743, 997486, 1353731, 1496229, 2707462, 2992458, 3491201, 4061193, 6982402, 8122386, 9476117, 10473603, 18952234, 20947206, 28428351, 56856702, 66332819, 132665638, 198998457, 397996914]

約数ペア:

[(1, 397996914), (2, 198998457), (3, 132665638), (6, 66332819), (7, 56856702), (14, 28428351), (19, 20947206), (21, 18952234), (38, 10473603), (42, 9476117), (49, 8122386), (57, 6982402), (98, 4061193), (114, 3491201), (133, 2992458), (147, 2707462), (266, 1496229), (294, 1353731), (399, 997486), (798, 498743), (931, 427494), (1862, 213747), (2793, 142498), (5586, 71249)]