401903886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 869045760

約数和(自身を除く): 467141874

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 89, 129, 138, 178, 258, 267, 534, 761, 989, 1522, 1978, 2047, 2283, 2967, 3827, 4094, 4566, 5934, 6141, 7654, 11481, 12282, 17503, 22962, 32723, 35006, 52509, 65446, 67729, 88021, 98169, 105018, 135458, 176042, 196338, 203187, 264063, 406374, 528126, 752629, 1505258, 1557767, 2257887, 2912347, 3115534, 4515774, 4673301, 5824694, 8737041, 9346602, 17474082, 66983981, 133967962, 200951943, 401903886]

約数ペア:

[(1, 401903886), (2, 200951943), (3, 133967962), (6, 66983981), (23, 17474082), (43, 9346602), (46, 8737041), (69, 5824694), (86, 4673301), (89, 4515774), (129, 3115534), (138, 2912347), (178, 2257887), (258, 1557767), (267, 1505258), (534, 752629), (761, 528126), (989, 406374), (1522, 264063), (1978, 203187), (2047, 196338), (2283, 176042), (2967, 135458), (3827, 105018), (4094, 98169), (4566, 88021), (5934, 67729), (6141, 65446), (7654, 52509), (11481, 35006), (12282, 32723), (17503, 22962)]