221472290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{74071}}^1$

素因数の和:74114

約数の個数: 32

約数和(自身を含む): 447987456

約数和(自身を除く): 226515166

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 74071, 148142, 370355, 740710, 962923, 1703633, 1925846, 3407266, 4814615, 8518165, 9629230, 17036330, 22147229, 44294458, 110736145, 221472290]

約数ペア:

[(1, 221472290), (2, 110736145), (5, 44294458), (10, 22147229), (13, 17036330), (23, 9629230), (26, 8518165), (46, 4814615), (65, 3407266), (115, 1925846), (130, 1703633), (230, 962923), (299, 740710), (598, 370355), (1495, 148142), (2990, 74071)]