220376688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{655883}}^1$

素因数の和:655901

約数の個数: 40

約数和(自身を含む): 650636928

約数和(自身を除く): 430260240

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 655883, 1311766, 1967649, 2623532, 3935298, 4591181, 5247064, 7870596, 9182362, 10494128, 13773543, 15741192, 18364724, 27547086, 31482384, 36729448, 55094172, 73458896, 110188344, 220376688]

約数ペア:

[(1, 220376688), (2, 110188344), (3, 73458896), (4, 55094172), (6, 36729448), (7, 31482384), (8, 27547086), (12, 18364724), (14, 15741192), (16, 13773543), (21, 10494128), (24, 9182362), (28, 7870596), (42, 5247064), (48, 4591181), (56, 3935298), (84, 2623532), (112, 1967649), (168, 1311766), (336, 655883)]