217940016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648631}}^1$

素因数の和:648649

約数の個数: 40

約数和(自身を含む): 643442944

約数和(自身を除く): 425502928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648631, 1297262, 1945893, 2594524, 3891786, 4540417, 5189048, 7783572, 9080834, 10378096, 13621251, 15567144, 18161668, 27242502, 31134288, 36323336, 54485004, 72646672, 108970008, 217940016]

約数ペア:

[(1, 217940016), (2, 108970008), (3, 72646672), (4, 54485004), (6, 36323336), (7, 31134288), (8, 27242502), (12, 18161668), (14, 15567144), (16, 13621251), (21, 10378096), (24, 9080834), (28, 7783572), (42, 5189048), (48, 4540417), (56, 3891786), (84, 2594524), (112, 1945893), (168, 1297262), (336, 648631)]