7481838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 18772992

約数和(自身を除く): 11291154

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 193, 213, 273, 386, 426, 497, 546, 579, 923, 994, 1158, 1351, 1491, 1846, 2509, 2702, 2769, 2982, 4053, 5018, 5538, 6461, 7527, 8106, 12922, 13703, 15054, 17563, 19383, 27406, 35126, 38766, 41109, 52689, 82218, 95921, 105378, 178139, 191842, 287763, 356278, 534417, 575526, 1068834, 1246973, 2493946, 3740919, 7481838]

約数ペア:

[(1, 7481838), (2, 3740919), (3, 2493946), (6, 1246973), (7, 1068834), (13, 575526), (14, 534417), (21, 356278), (26, 287763), (39, 191842), (42, 178139), (71, 105378), (78, 95921), (91, 82218), (142, 52689), (182, 41109), (193, 38766), (213, 35126), (273, 27406), (386, 19383), (426, 17563), (497, 15054), (546, 13703), (579, 12922), (923, 8106), (994, 7527), (1158, 6461), (1351, 5538), (1491, 5018), (1846, 4053), (2509, 2982), (2702, 2769)]