215917968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{642613}}^1$

素因数の和:642631

約数の個数: 40

約数和(自身を含む): 637473088

約数和(自身を除く): 421555120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 642613, 1285226, 1927839, 2570452, 3855678, 4498291, 5140904, 7711356, 8996582, 10281808, 13494873, 15422712, 17993164, 26989746, 30845424, 35986328, 53979492, 71972656, 107958984, 215917968]

約数ペア:

[(1, 215917968), (2, 107958984), (3, 71972656), (4, 53979492), (6, 35986328), (7, 30845424), (8, 26989746), (12, 17993164), (14, 15422712), (16, 13494873), (21, 10281808), (24, 8996582), (28, 7711356), (42, 5140904), (48, 4498291), (56, 3855678), (84, 2570452), (112, 1927839), (168, 1285226), (336, 642613)]