217897734

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 462827520

約数和(自身を除く): 244929786

約数列:

[1, 2, 3, 6, 47, 53, 61, 94, 106, 122, 141, 159, 183, 239, 282, 318, 366, 478, 717, 1434, 2491, 2867, 3233, 4982, 5734, 6466, 7473, 8601, 9699, 11233, 12667, 14579, 14946, 17202, 19398, 22466, 25334, 29158, 33699, 38001, 43737, 67398, 76002, 87474, 151951, 303902, 455853, 595349, 685213, 772687, 911706, 1190698, 1370426, 1545374, 1786047, 2055639, 2318061, 3572094, 4111278, 4636122, 36316289, 72632578, 108948867, 217897734]

約数ペア:

[(1, 217897734), (2, 108948867), (3, 72632578), (6, 36316289), (47, 4636122), (53, 4111278), (61, 3572094), (94, 2318061), (106, 2055639), (122, 1786047), (141, 1545374), (159, 1370426), (183, 1190698), (239, 911706), (282, 772687), (318, 685213), (366, 595349), (478, 455853), (717, 303902), (1434, 151951), (2491, 87474), (2867, 76002), (3233, 67398), (4982, 43737), (5734, 38001), (6466, 33699), (7473, 29158), (8601, 25334), (9699, 22466), (11233, 19398), (12667, 17202), (14579, 14946)]