722228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 1552320

約数和(自身を除く): 830092

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 43, 52, 68, 76, 86, 172, 221, 247, 323, 442, 494, 559, 646, 731, 817, 884, 988, 1118, 1292, 1462, 1634, 2236, 2924, 3268, 4199, 8398, 9503, 10621, 13889, 16796, 19006, 21242, 27778, 38012, 42484, 55556, 180557, 361114, 722228]

約数ペア:

[(1, 722228), (2, 361114), (4, 180557), (13, 55556), (17, 42484), (19, 38012), (26, 27778), (34, 21242), (38, 19006), (43, 16796), (52, 13889), (68, 10621), (76, 9503), (86, 8398), (172, 4199), (221, 3268), (247, 2924), (323, 2236), (442, 1634), (494, 1462), (559, 1292), (646, 1118), (731, 988), (817, 884)]