664552208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 1411338240

約数和(自身を除く): 746786032

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 151, 152, 248, 302, 304, 467, 496, 589, 604, 934, 1178, 1208, 1868, 2356, 2416, 2869, 3736, 4681, 4712, 5738, 7472, 8873, 9362, 9424, 11476, 14477, 17746, 18724, 22952, 28954, 35492, 37448, 45904, 57908, 70517, 70984, 74896, 88939, 115816, 141034, 141968, 177878, 231632, 275063, 282068, 355756, 550126, 564136, 711512, 1100252, 1128272, 1339823, 1423024, 2186027, 2200504, 2679646, 4372054, 4401008, 5359292, 8744108, 10718584, 17488216, 21437168, 34976432, 41534513, 83069026, 166138052, 332276104, 664552208]

約数ペア:

[(1, 664552208), (2, 332276104), (4, 166138052), (8, 83069026), (16, 41534513), (19, 34976432), (31, 21437168), (38, 17488216), (62, 10718584), (76, 8744108), (124, 5359292), (151, 4401008), (152, 4372054), (248, 2679646), (302, 2200504), (304, 2186027), (467, 1423024), (496, 1339823), (589, 1128272), (604, 1100252), (934, 711512), (1178, 564136), (1208, 550126), (1868, 355756), (2356, 282068), (2416, 275063), (2869, 231632), (3736, 177878), (4681, 141968), (4712, 141034), (5738, 115816), (7472, 88939), (8873, 74896), (9362, 70984), (9424, 70517), (11476, 57908), (14477, 45904), (17746, 37448), (18724, 35492), (22952, 28954)]