81345968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11273}}^1$

素因数の和:11333

約数の個数: 40

約数和(自身を含む): 176144976

約数和(自身を除く): 94799008

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 7216, 11273, 22546, 45092, 90184, 124003, 180368, 248006, 462193, 496012, 924386, 992024, 1848772, 1984048, 3697544, 5084123, 7395088, 10168246, 20336492, 40672984, 81345968]

約数ペア:

[(1, 81345968), (2, 40672984), (4, 20336492), (8, 10168246), (11, 7395088), (16, 5084123), (22, 3697544), (41, 1984048), (44, 1848772), (82, 992024), (88, 924386), (164, 496012), (176, 462193), (328, 248006), (451, 180368), (656, 124003), (902, 90184), (1804, 45092), (3608, 22546), (7216, 11273)]