221886672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{660377}}^1$

素因数の和:660395

約数の個数: 40

約数和(自身を含む): 655094976

約数和(自身を除く): 433208304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 660377, 1320754, 1981131, 2641508, 3962262, 4622639, 5283016, 7924524, 9245278, 10566032, 13867917, 15849048, 18490556, 27735834, 31698096, 36981112, 55471668, 73962224, 110943336, 221886672]

約数ペア:

[(1, 221886672), (2, 110943336), (3, 73962224), (4, 55471668), (6, 36981112), (7, 31698096), (8, 27735834), (12, 18490556), (14, 15849048), (16, 13867917), (21, 10566032), (24, 9245278), (28, 7924524), (42, 5283016), (48, 4622639), (56, 3962262), (84, 2641508), (112, 1981131), (168, 1320754), (336, 660377)]