28439684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 66232320

約数和(自身を除く): 37792636

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 43, 46, 52, 79, 86, 91, 92, 158, 161, 172, 182, 299, 301, 316, 322, 364, 553, 559, 598, 602, 644, 989, 1027, 1106, 1118, 1196, 1204, 1817, 1978, 2054, 2093, 2212, 2236, 3397, 3634, 3913, 3956, 4108, 4186, 6794, 6923, 7189, 7268, 7826, 8372, 12719, 12857, 13588, 13846, 14378, 15652, 23621, 23779, 25438, 25714, 27692, 28756, 44161, 47242, 47558, 50876, 51428, 78131, 88322, 89999, 94484, 95116, 156262, 165347, 176644, 179998, 309127, 312524, 330694, 359996, 546917, 618254, 661388, 1015703, 1093834, 1236508, 2031406, 2187668, 4062812, 7109921, 14219842, 28439684]

約数ペア:

[(1, 28439684), (2, 14219842), (4, 7109921), (7, 4062812), (13, 2187668), (14, 2031406), (23, 1236508), (26, 1093834), (28, 1015703), (43, 661388), (46, 618254), (52, 546917), (79, 359996), (86, 330694), (91, 312524), (92, 309127), (158, 179998), (161, 176644), (172, 165347), (182, 156262), (299, 95116), (301, 94484), (316, 89999), (322, 88322), (364, 78131), (553, 51428), (559, 50876), (598, 47558), (602, 47242), (644, 44161), (989, 28756), (1027, 27692), (1106, 25714), (1118, 25438), (1196, 23779), (1204, 23621), (1817, 15652), (1978, 14378), (2054, 13846), (2093, 13588), (2212, 12857), (2236, 12719), (3397, 8372), (3634, 7826), (3913, 7268), (3956, 7189), (4108, 6923), (4186, 6794)]