26119990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 28747466

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 223, 265, 442, 446, 530, 689, 901, 1105, 1115, 1378, 1802, 2210, 2230, 2899, 3445, 3791, 4505, 5798, 6890, 7582, 9010, 11713, 11819, 14495, 18955, 23426, 23638, 28990, 37910, 49283, 58565, 59095, 98566, 117130, 118190, 153647, 200923, 246415, 307294, 401846, 492830, 768235, 1004615, 1536470, 2009230, 2611999, 5223998, 13059995, 26119990]

約数ペア:

[(1, 26119990), (2, 13059995), (5, 5223998), (10, 2611999), (13, 2009230), (17, 1536470), (26, 1004615), (34, 768235), (53, 492830), (65, 401846), (85, 307294), (106, 246415), (130, 200923), (170, 153647), (221, 118190), (223, 117130), (265, 98566), (442, 59095), (446, 58565), (530, 49283), (689, 37910), (901, 28990), (1105, 23638), (1115, 23426), (1378, 18955), (1802, 14495), (2210, 11819), (2230, 11713), (2899, 9010), (3445, 7582), (3791, 6890), (4505, 5798)]