657109072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 1372680000

約数和(自身を除く): 715570928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 149, 152, 163, 178, 298, 304, 326, 356, 596, 652, 712, 1192, 1304, 1424, 1691, 2384, 2608, 2831, 3097, 3382, 5662, 6194, 6764, 11324, 12388, 13261, 13528, 14507, 22648, 24287, 24776, 26522, 27056, 29014, 45296, 48574, 49552, 53044, 58028, 97148, 106088, 116056, 194296, 212176, 232112, 251959, 275633, 388592, 461453, 503918, 551266, 922906, 1007836, 1102532, 1845812, 2015672, 2161543, 2205064, 3691624, 4031344, 4323086, 4410128, 7383248, 8646172, 17292344, 34584688, 41069317, 82138634, 164277268, 328554536, 657109072]

約数ペア:

[(1, 657109072), (2, 328554536), (4, 164277268), (8, 82138634), (16, 41069317), (19, 34584688), (38, 17292344), (76, 8646172), (89, 7383248), (149, 4410128), (152, 4323086), (163, 4031344), (178, 3691624), (298, 2205064), (304, 2161543), (326, 2015672), (356, 1845812), (596, 1102532), (652, 1007836), (712, 922906), (1192, 551266), (1304, 503918), (1424, 461453), (1691, 388592), (2384, 275633), (2608, 251959), (2831, 232112), (3097, 212176), (3382, 194296), (5662, 116056), (6194, 106088), (6764, 97148), (11324, 58028), (12388, 53044), (13261, 49552), (13528, 48574), (14507, 45296), (22648, 29014), (24287, 27056), (24776, 26522)]