218438388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{866819}}^1$

素因数の和:866836

約数の個数: 36

約数和(自身を含む): 631044960

約数和(自身を除く): 412606572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 866819, 1733638, 2600457, 3467276, 5200914, 6067733, 7801371, 10401828, 12135466, 15602742, 18203199, 24270932, 31205484, 36406398, 54609597, 72812796, 109219194, 218438388]

約数ペア:

[(1, 218438388), (2, 109219194), (3, 72812796), (4, 54609597), (6, 36406398), (7, 31205484), (9, 24270932), (12, 18203199), (14, 15602742), (18, 12135466), (21, 10401828), (28, 7801371), (36, 6067733), (42, 5200914), (63, 3467276), (84, 2600457), (126, 1733638), (252, 866819)]