258996924

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 670819968

約数和(自身を除く): 411823044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 107, 142, 213, 214, 284, 321, 426, 428, 639, 642, 852, 947, 963, 1278, 1284, 1894, 1926, 2556, 2841, 3788, 3852, 5682, 7597, 8523, 11364, 15194, 17046, 22791, 30388, 34092, 45582, 67237, 68373, 91164, 101329, 134474, 136746, 201711, 202658, 268948, 273492, 303987, 403422, 405316, 605133, 607974, 806844, 911961, 1210266, 1215948, 1823922, 2420532, 3647844, 7194359, 14388718, 21583077, 28777436, 43166154, 64749231, 86332308, 129498462, 258996924]

約数ペア:

[(1, 258996924), (2, 129498462), (3, 86332308), (4, 64749231), (6, 43166154), (9, 28777436), (12, 21583077), (18, 14388718), (36, 7194359), (71, 3647844), (107, 2420532), (142, 1823922), (213, 1215948), (214, 1210266), (284, 911961), (321, 806844), (426, 607974), (428, 605133), (639, 405316), (642, 403422), (852, 303987), (947, 273492), (963, 268948), (1278, 202658), (1284, 201711), (1894, 136746), (1926, 134474), (2556, 101329), (2841, 91164), (3788, 68373), (3852, 67237), (5682, 45582), (7597, 34092), (8523, 30388), (11364, 22791), (15194, 17046)]