1338991682

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{4639}}^1$

素因数の和:5090

約数の個数: 32

約数和(自身を含む): 2345241600

約数和(自身を除く): 1006249918

約数列:

[1, 2, 7, 14, 53, 106, 371, 389, 742, 778, 2723, 4639, 5446, 9278, 20617, 32473, 41234, 64946, 144319, 245867, 288638, 491734, 1721069, 1804571, 3442138, 3609142, 12631997, 25263994, 95642263, 191284526, 669495841, 1338991682]

約数ペア:

[(1, 1338991682), (2, 669495841), (7, 191284526), (14, 95642263), (53, 25263994), (106, 12631997), (371, 3609142), (389, 3442138), (742, 1804571), (778, 1721069), (2723, 491734), (4639, 288638), (5446, 245867), (9278, 144319), (20617, 64946), (32473, 41234)]