3889990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 7874496

約数和(自身を除く): 3984506

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1301, 1495, 2602, 2990, 6505, 13010, 16913, 29923, 33826, 59846, 84565, 149615, 169130, 299230, 388999, 777998, 1944995, 3889990]

約数ペア:

[(1, 3889990), (2, 1944995), (5, 777998), (10, 388999), (13, 299230), (23, 169130), (26, 149615), (46, 84565), (65, 59846), (115, 33826), (130, 29923), (230, 16913), (299, 13010), (598, 6505), (1301, 2990), (1495, 2602)]