401418025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 546715008

約数和(自身を除く): 145296983

約数列:

[1, 5, 17, 25, 53, 71, 85, 251, 265, 355, 425, 901, 1207, 1255, 1325, 1775, 3763, 4267, 4505, 6035, 6275, 13303, 17821, 18815, 21335, 22525, 30175, 63971, 66515, 89105, 94075, 106675, 226151, 302957, 319855, 332575, 445525, 944513, 1130755, 1514785, 1599275, 4722565, 5653775, 7573925, 16056721, 23612825, 80283605, 401418025]

約数ペア:

[(1, 401418025), (5, 80283605), (17, 23612825), (25, 16056721), (53, 7573925), (71, 5653775), (85, 4722565), (251, 1599275), (265, 1514785), (355, 1130755), (425, 944513), (901, 445525), (1207, 332575), (1255, 319855), (1325, 302957), (1775, 226151), (3763, 106675), (4267, 94075), (4505, 89105), (6035, 66515), (6275, 63971), (13303, 30175), (17821, 22525), (18815, 21335)]