16205917

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 21696480

約数和(自身を除く): 5490563

約数列:

[1, 7, 13, 19, 49, 91, 103, 133, 169, 247, 637, 721, 931, 1183, 1339, 1729, 1957, 3211, 5047, 8281, 9373, 12103, 13699, 17407, 22477, 25441, 65611, 95893, 121849, 157339, 178087, 330733, 852943, 1246609, 2315131, 16205917]

約数ペア:

[(1, 16205917), (7, 2315131), (13, 1246609), (19, 852943), (49, 330733), (91, 178087), (103, 157339), (133, 121849), (169, 95893), (247, 65611), (637, 25441), (721, 22477), (931, 17407), (1183, 13699), (1339, 12103), (1729, 9373), (1957, 8281), (3211, 5047)]