25820396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 53932032

約数和(自身を除く): 28111636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 151, 197, 217, 302, 394, 434, 604, 788, 868, 1057, 1379, 2114, 2758, 4228, 4681, 5516, 6107, 9362, 12214, 18724, 24428, 29747, 32767, 42749, 59494, 65534, 85498, 118988, 131068, 170996, 208229, 416458, 832916, 922157, 1844314, 3688628, 6455099, 12910198, 25820396]

約数ペア:

[(1, 25820396), (2, 12910198), (4, 6455099), (7, 3688628), (14, 1844314), (28, 922157), (31, 832916), (62, 416458), (124, 208229), (151, 170996), (197, 131068), (217, 118988), (302, 85498), (394, 65534), (434, 59494), (604, 42749), (788, 32767), (868, 29747), (1057, 24428), (1379, 18724), (2114, 12214), (2758, 9362), (4228, 6107), (4681, 5516)]