208889223459

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1\times {\mathrm{2557}}^1$

素因数の和:5180

約数の個数: 64

約数和(自身を含む): 335760215040

約数和(自身を除く): 126870991581

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 1113, 1537, 2531, 2557, 4611, 7593, 7671, 10759, 17717, 17899, 32277, 53151, 53697, 73399, 74153, 134143, 135521, 220197, 222459, 402429, 406563, 513793, 519071, 939001, 948647, 1541379, 1557213, 2817003, 2845941, 3890147, 3930109, 6471767, 11670441, 11790327, 19415301, 27231029, 27510763, 45302369, 81693087, 82532289, 135907107, 187681243, 343003651, 563043729, 1029010953, 1313768701, 2401025557, 3941306103, 7203076671, 9947105879, 29841317637, 69629741153, 208889223459]

約数ペア:

[(1, 208889223459), (3, 69629741153), (7, 29841317637), (21, 9947105879), (29, 7203076671), (53, 3941306103), (87, 2401025557), (159, 1313768701), (203, 1029010953), (371, 563043729), (609, 343003651), (1113, 187681243), (1537, 135907107), (2531, 82532289), (2557, 81693087), (4611, 45302369), (7593, 27510763), (7671, 27231029), (10759, 19415301), (17717, 11790327), (17899, 11670441), (32277, 6471767), (53151, 3930109), (53697, 3890147), (73399, 2845941), (74153, 2817003), (134143, 1557213), (135521, 1541379), (220197, 948647), (222459, 939001), (402429, 519071), (406563, 513793)]