427146590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{557}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 880818624

約数和(自身を除く): 453672034

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 347, 442, 557, 694, 1105, 1114, 1735, 2210, 2785, 3470, 4511, 5570, 5899, 7241, 9022, 9469, 11798, 14482, 18938, 22555, 29495, 36205, 45110, 47345, 58990, 72410, 76687, 94690, 123097, 153374, 193279, 246194, 383435, 386558, 615485, 766870, 966395, 1230970, 1932790, 2512627, 3285743, 5025254, 6571486, 12563135, 16428715, 25126270, 32857430, 42714659, 85429318, 213573295, 427146590]

約数ペア:

[(1, 427146590), (2, 213573295), (5, 85429318), (10, 42714659), (13, 32857430), (17, 25126270), (26, 16428715), (34, 12563135), (65, 6571486), (85, 5025254), (130, 3285743), (170, 2512627), (221, 1932790), (347, 1230970), (442, 966395), (557, 766870), (694, 615485), (1105, 386558), (1114, 383435), (1735, 246194), (2210, 193279), (2785, 153374), (3470, 123097), (4511, 94690), (5570, 76687), (5899, 72410), (7241, 58990), (9022, 47345), (9469, 45110), (11798, 36205), (14482, 29495), (18938, 22555)]