642124

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 809396

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 71, 76, 119, 133, 142, 238, 266, 284, 323, 476, 497, 532, 646, 994, 1207, 1292, 1349, 1988, 2261, 2414, 2698, 4522, 4828, 5396, 8449, 9044, 9443, 16898, 18886, 22933, 33796, 37772, 45866, 91732, 160531, 321062, 642124]

約数ペア:

[(1, 642124), (2, 321062), (4, 160531), (7, 91732), (14, 45866), (17, 37772), (19, 33796), (28, 22933), (34, 18886), (38, 16898), (68, 9443), (71, 9044), (76, 8449), (119, 5396), (133, 4828), (142, 4522), (238, 2698), (266, 2414), (284, 2261), (323, 1988), (476, 1349), (497, 1292), (532, 1207), (646, 994)]