198505079135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{1163}}^1$

素因数の和:1760

約数の個数: 64

約数和(自身を含む): 266831262720

約数和(自身を除く): 68326183585

約数列:

[1, 5, 11, 55, 71, 109, 355, 401, 545, 781, 1163, 1199, 2005, 3905, 4411, 5815, 5995, 7739, 12793, 22055, 28471, 38695, 43709, 63965, 82573, 85129, 126767, 142355, 218545, 313181, 412865, 425645, 466363, 480799, 633835, 908303, 1394437, 1565905, 2331815, 2403995, 3103339, 4541515, 5129993, 6972185, 9000457, 15516695, 25649965, 33111773, 34136729, 45002285, 50833567, 99005027, 165558865, 170683645, 254167835, 364229503, 495025135, 559169237, 1821147515, 2795846185, 3609183257, 18045916285, 39701015827, 198505079135]

約数ペア:

[(1, 198505079135), (5, 39701015827), (11, 18045916285), (55, 3609183257), (71, 2795846185), (109, 1821147515), (355, 559169237), (401, 495025135), (545, 364229503), (781, 254167835), (1163, 170683645), (1199, 165558865), (2005, 99005027), (3905, 50833567), (4411, 45002285), (5815, 34136729), (5995, 33111773), (7739, 25649965), (12793, 15516695), (22055, 9000457), (28471, 6972185), (38695, 5129993), (43709, 4541515), (63965, 3103339), (82573, 2403995), (85129, 2331815), (126767, 1565905), (142355, 1394437), (218545, 908303), (313181, 633835), (412865, 480799), (425645, 466363)]