15209516

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 31945536

約数和(自身を除く): 16736020

約数列:

[1, 2, 4, 7, 14, 28, 37, 53, 74, 106, 148, 212, 259, 277, 371, 518, 554, 742, 1036, 1108, 1484, 1939, 1961, 3878, 3922, 7756, 7844, 10249, 13727, 14681, 20498, 27454, 29362, 40996, 54908, 58724, 71743, 102767, 143486, 205534, 286972, 411068, 543197, 1086394, 2172788, 3802379, 7604758, 15209516]

約数ペア:

[(1, 15209516), (2, 7604758), (4, 3802379), (7, 2172788), (14, 1086394), (28, 543197), (37, 411068), (53, 286972), (74, 205534), (106, 143486), (148, 102767), (212, 71743), (259, 58724), (277, 54908), (371, 40996), (518, 29362), (554, 27454), (742, 20498), (1036, 14681), (1108, 13727), (1484, 10249), (1939, 7844), (1961, 7756), (3878, 3922)]