639604524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7031

約数の個数: 96

約数和(自身を含む): 1746626560

約数和(自身を除く): 1107022036

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 372, 403, 494, 589, 741, 806, 988, 1178, 1209, 1482, 1612, 1767, 2356, 2418, 2964, 3534, 4836, 6961, 7068, 7657, 13922, 15314, 20883, 22971, 27844, 30628, 41766, 45942, 83532, 90493, 91884, 132259, 180986, 215791, 264518, 271479, 361972, 396777, 431582, 529036, 542958, 647373, 793554, 863164, 1085916, 1294746, 1587108, 1719367, 2589492, 2805283, 3438734, 4100029, 5158101, 5610566, 6877468, 8200058, 8415849, 10316202, 11221132, 12300087, 16400116, 16831698, 20632404, 24600174, 33663396, 49200348, 53300377, 106600754, 159901131, 213201508, 319802262, 639604524]

約数ペア:

[(1, 639604524), (2, 319802262), (3, 213201508), (4, 159901131), (6, 106600754), (12, 53300377), (13, 49200348), (19, 33663396), (26, 24600174), (31, 20632404), (38, 16831698), (39, 16400116), (52, 12300087), (57, 11221132), (62, 10316202), (76, 8415849), (78, 8200058), (93, 6877468), (114, 5610566), (124, 5158101), (156, 4100029), (186, 3438734), (228, 2805283), (247, 2589492), (372, 1719367), (403, 1587108), (494, 1294746), (589, 1085916), (741, 863164), (806, 793554), (988, 647373), (1178, 542958), (1209, 529036), (1482, 431582), (1612, 396777), (1767, 361972), (2356, 271479), (2418, 264518), (2964, 215791), (3534, 180986), (4836, 132259), (6961, 91884), (7068, 90493), (7657, 83532), (13922, 45942), (15314, 41766), (20883, 30628), (22971, 27844)]