28710824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32978776

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 271, 323, 328, 542, 646, 697, 779, 1084, 1292, 1394, 1558, 2168, 2584, 2788, 3116, 4607, 5149, 5576, 6232, 9214, 10298, 11111, 13243, 18428, 20596, 22222, 26486, 36856, 41192, 44444, 52972, 87533, 88888, 105944, 175066, 188887, 211109, 350132, 377774, 422218, 700264, 755548, 844436, 1511096, 1688872, 3588853, 7177706, 14355412, 28710824]

約数ペア:

[(1, 28710824), (2, 14355412), (4, 7177706), (8, 3588853), (17, 1688872), (19, 1511096), (34, 844436), (38, 755548), (41, 700264), (68, 422218), (76, 377774), (82, 350132), (136, 211109), (152, 188887), (164, 175066), (271, 105944), (323, 88888), (328, 87533), (542, 52972), (646, 44444), (697, 41192), (779, 36856), (1084, 26486), (1292, 22222), (1394, 20596), (1558, 18428), (2168, 13243), (2584, 11111), (2788, 10298), (3116, 9214), (4607, 6232), (5149, 5576)]