9991618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 19184256

約数和(自身を除く): 9192638

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 103, 169, 182, 206, 287, 338, 533, 574, 721, 1066, 1183, 1339, 1442, 2366, 2678, 3731, 4223, 6929, 7462, 8446, 9373, 13858, 17407, 18746, 29561, 34814, 48503, 54899, 59122, 97006, 109798, 121849, 243698, 384293, 713687, 768586, 1427374, 4995809, 9991618]

約数ペア:

[(1, 9991618), (2, 4995809), (7, 1427374), (13, 768586), (14, 713687), (26, 384293), (41, 243698), (82, 121849), (91, 109798), (103, 97006), (169, 59122), (182, 54899), (206, 48503), (287, 34814), (338, 29561), (533, 18746), (574, 17407), (721, 13858), (1066, 9373), (1183, 8446), (1339, 7462), (1442, 6929), (2366, 4223), (2678, 3731)]