401225004

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^2\times {\mathrm{691}}^1$

素因数の和:955

約数の個数: 54

約数和(自身を含む): 1023735804

約数和(自身を除く): 622510800

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 691, 762, 1143, 1382, 1524, 2073, 2286, 2764, 4146, 4572, 6219, 8292, 12438, 16129, 24876, 32258, 48387, 64516, 87757, 96774, 145161, 175514, 193548, 263271, 290322, 351028, 526542, 580644, 789813, 1053084, 1579626, 3159252, 11145139, 22290278, 33435417, 44580556, 66870834, 100306251, 133741668, 200612502, 401225004]

約数ペア:

[(1, 401225004), (2, 200612502), (3, 133741668), (4, 100306251), (6, 66870834), (9, 44580556), (12, 33435417), (18, 22290278), (36, 11145139), (127, 3159252), (254, 1579626), (381, 1053084), (508, 789813), (691, 580644), (762, 526542), (1143, 351028), (1382, 290322), (1524, 263271), (2073, 193548), (2286, 175514), (2764, 145161), (4146, 96774), (4572, 87757), (6219, 64516), (8292, 48387), (12438, 32258), (16129, 24876)]