31720458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68659}}^1$

素因数の和:68682

約数の個数: 32

約数和(自身を含む): 79096320

約数和(自身を除く): 47375862

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 68659, 137318, 205977, 411954, 480613, 755249, 961226, 1441839, 1510498, 2265747, 2883678, 4531494, 5286743, 10573486, 15860229, 31720458]

約数ペア:

[(1, 31720458), (2, 15860229), (3, 10573486), (6, 5286743), (7, 4531494), (11, 2883678), (14, 2265747), (21, 1510498), (22, 1441839), (33, 961226), (42, 755249), (66, 480613), (77, 411954), (154, 205977), (231, 137318), (462, 68659)]