28487954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 52340256

約数和(自身を除く): 23852302

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 211, 323, 361, 374, 418, 422, 646, 722, 2321, 3553, 3587, 3971, 4009, 4642, 6137, 7106, 7174, 7942, 8018, 12274, 39457, 44099, 67507, 68153, 76171, 78914, 88198, 135014, 136306, 152342, 749683, 837881, 1294907, 1499366, 1675762, 2589814, 14243977, 28487954]

約数ペア:

[(1, 28487954), (2, 14243977), (11, 2589814), (17, 1675762), (19, 1499366), (22, 1294907), (34, 837881), (38, 749683), (187, 152342), (209, 136306), (211, 135014), (323, 88198), (361, 78914), (374, 76171), (418, 68153), (422, 67507), (646, 44099), (722, 39457), (2321, 12274), (3553, 8018), (3587, 7942), (3971, 7174), (4009, 7106), (4642, 6137)]