661263356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4229}}^1$

素因数の和:4374

約数の個数: 48

約数和(自身を含む): 1299997440

約数和(自身を除く): 638734084

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 97, 124, 194, 388, 403, 806, 1261, 1612, 2522, 3007, 4229, 5044, 6014, 8458, 12028, 16916, 39091, 54977, 78182, 109954, 131099, 156364, 219908, 262198, 410213, 524396, 820426, 1640852, 1704287, 3408574, 5332769, 6817148, 10665538, 12716603, 21331076, 25433206, 50866412, 165315839, 330631678, 661263356]

約数ペア:

[(1, 661263356), (2, 330631678), (4, 165315839), (13, 50866412), (26, 25433206), (31, 21331076), (52, 12716603), (62, 10665538), (97, 6817148), (124, 5332769), (194, 3408574), (388, 1704287), (403, 1640852), (806, 820426), (1261, 524396), (1612, 410213), (2522, 262198), (3007, 219908), (4229, 156364), (5044, 131099), (6014, 109954), (8458, 78182), (12028, 54977), (16916, 39091)]