28989972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 84171360

約数和(自身を除く): 55181388

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 3853, 7524, 7706, 11559, 15412, 23118, 34677, 42383, 46236, 69354, 73207, 84766, 127149, 138708, 146414, 169532, 219621, 254298, 292828, 381447, 439242, 508596, 658863, 762894, 805277, 878484, 1317726, 1525788, 1610554, 2415831, 2635452, 3221108, 4831662, 7247493, 9663324, 14494986, 28989972]

約数ペア:

[(1, 28989972), (2, 14494986), (3, 9663324), (4, 7247493), (6, 4831662), (9, 3221108), (11, 2635452), (12, 2415831), (18, 1610554), (19, 1525788), (22, 1317726), (33, 878484), (36, 805277), (38, 762894), (44, 658863), (57, 508596), (66, 439242), (76, 381447), (99, 292828), (114, 254298), (132, 219621), (171, 169532), (198, 146414), (209, 138708), (228, 127149), (342, 84766), (396, 73207), (418, 69354), (627, 46236), (684, 42383), (836, 34677), (1254, 23118), (1881, 15412), (2508, 11559), (3762, 7706), (3853, 7524)]