221427690904

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1423}}^1\times {\mathrm{25969}}^1$

素因数の和:27512

約数の個数: 64

約数和(自身を含む): 479277388800

約数和(自身を除く): 257849697896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1423, 1498, 2846, 2996, 5692, 5992, 9961, 11384, 19922, 25969, 39844, 51938, 79688, 103876, 152261, 181783, 207752, 304522, 363566, 609044, 727132, 1065827, 1218088, 1454264, 2131654, 2778683, 4263308, 5557366, 8526616, 11114732, 19450781, 22229464, 36953887, 38901562, 73907774, 77803124, 147815548, 155606248, 258677209, 295631096, 517354418, 1034708836, 2069417672, 3954065909, 7908131818, 15816263636, 27678461363, 31632527272, 55356922726, 110713845452, 221427690904]

約数ペア:

[(1, 221427690904), (2, 110713845452), (4, 55356922726), (7, 31632527272), (8, 27678461363), (14, 15816263636), (28, 7908131818), (56, 3954065909), (107, 2069417672), (214, 1034708836), (428, 517354418), (749, 295631096), (856, 258677209), (1423, 155606248), (1498, 147815548), (2846, 77803124), (2996, 73907774), (5692, 38901562), (5992, 36953887), (9961, 22229464), (11384, 19450781), (19922, 11114732), (25969, 8526616), (39844, 5557366), (51938, 4263308), (79688, 2778683), (103876, 2131654), (152261, 1454264), (181783, 1218088), (207752, 1065827), (304522, 727132), (363566, 609044)]