31575908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 68490240

約数和(自身を除く): 36914332

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 389, 446, 778, 892, 1556, 1561, 2723, 2899, 3122, 5057, 5446, 5798, 6244, 10114, 10892, 11596, 20228, 20293, 35399, 40586, 70798, 81172, 86747, 141596, 173494, 346988, 607229, 1127711, 1214458, 2255422, 2428916, 4510844, 7893977, 15787954, 31575908]

約数ペア:

[(1, 31575908), (2, 15787954), (4, 7893977), (7, 4510844), (13, 2428916), (14, 2255422), (26, 1214458), (28, 1127711), (52, 607229), (91, 346988), (182, 173494), (223, 141596), (364, 86747), (389, 81172), (446, 70798), (778, 40586), (892, 35399), (1556, 20293), (1561, 20228), (2723, 11596), (2899, 10892), (3122, 10114), (5057, 6244), (5446, 5798)]