1281633654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{219533}}^1$

素因数の和:219684

約数の個数: 32

約数和(自身を含む): 2950536960

約数和(自身を除く): 1668903306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 5838, 219533, 439066, 658599, 1317198, 1536731, 3073462, 4610193, 9220386, 30515087, 61030174, 91545261, 183090522, 213605609, 427211218, 640816827, 1281633654]

約数ペア:

[(1, 1281633654), (2, 640816827), (3, 427211218), (6, 213605609), (7, 183090522), (14, 91545261), (21, 61030174), (42, 30515087), (139, 9220386), (278, 4610193), (417, 3073462), (834, 1536731), (973, 1317198), (1946, 658599), (2919, 439066), (5838, 219533)]