221700208

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 458361288

約数和(自身を除く): 236661080

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 293, 304, 361, 524, 586, 722, 1048, 1172, 1444, 2096, 2344, 2489, 2888, 4688, 4978, 5567, 5776, 9956, 11134, 19912, 22268, 38383, 39824, 44536, 47291, 76766, 89072, 94582, 105773, 153532, 189164, 211546, 307064, 378328, 423092, 614128, 729277, 756656, 846184, 1458554, 1692368, 2917108, 5834216, 11668432, 13856263, 27712526, 55425052, 110850104, 221700208]

約数ペア:

[(1, 221700208), (2, 110850104), (4, 55425052), (8, 27712526), (16, 13856263), (19, 11668432), (38, 5834216), (76, 2917108), (131, 1692368), (152, 1458554), (262, 846184), (293, 756656), (304, 729277), (361, 614128), (524, 423092), (586, 378328), (722, 307064), (1048, 211546), (1172, 189164), (1444, 153532), (2096, 105773), (2344, 94582), (2489, 89072), (2888, 76766), (4688, 47291), (4978, 44536), (5567, 39824), (5776, 38383), (9956, 22268), (11134, 19912)]