291211645940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1336201}}^1$

素因数の和:1336868

約数の個数: 48

約数和(自身を含む): 648528313104

約数和(自身を除く): 357316667164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 641, 1282, 2564, 3205, 6410, 10897, 12820, 21794, 43588, 54485, 108970, 217940, 1336201, 2672402, 5344804, 6681005, 13362010, 22715417, 26724020, 45430834, 90861668, 113577085, 227154170, 454308340, 856504841, 1713009682, 3426019364, 4282524205, 8565048410, 14560582297, 17130096820, 29121164594, 58242329188, 72802911485, 145605822970, 291211645940]

約数ペア:

[(1, 291211645940), (2, 145605822970), (4, 72802911485), (5, 58242329188), (10, 29121164594), (17, 17130096820), (20, 14560582297), (34, 8565048410), (68, 4282524205), (85, 3426019364), (170, 1713009682), (340, 856504841), (641, 454308340), (1282, 227154170), (2564, 113577085), (3205, 90861668), (6410, 45430834), (10897, 26724020), (12820, 22715417), (21794, 13362010), (43588, 6681005), (54485, 5344804), (108970, 2672402), (217940, 1336201)]