1998889758

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{2011}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 4519756800

約数和(自身を除く): 2520867042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 233, 237, 466, 474, 699, 711, 1398, 1422, 2011, 2097, 2133, 4022, 4194, 4266, 6033, 6291, 12066, 12582, 18099, 18407, 36198, 36814, 54297, 55221, 108594, 110442, 158869, 165663, 317738, 331326, 468563, 476607, 496989, 937126, 953214, 993978, 1405689, 1429821, 2811378, 2859642, 4217067, 4289463, 8434134, 8578926, 12651201, 25302402, 37016477, 74032954, 111049431, 222098862, 333148293, 666296586, 999444879, 1998889758]

約数ペア:

[(1, 1998889758), (2, 999444879), (3, 666296586), (6, 333148293), (9, 222098862), (18, 111049431), (27, 74032954), (54, 37016477), (79, 25302402), (158, 12651201), (233, 8578926), (237, 8434134), (466, 4289463), (474, 4217067), (699, 2859642), (711, 2811378), (1398, 1429821), (1422, 1405689), (2011, 993978), (2097, 953214), (2133, 937126), (4022, 496989), (4194, 476607), (4266, 468563), (6033, 331326), (6291, 317738), (12066, 165663), (12582, 158869), (18099, 110442), (18407, 108594), (36198, 55221), (36814, 54297)]