78845668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 162792000

約数和(自身を除く): 83946332

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 703, 814, 836, 1406, 1628, 2549, 2812, 5098, 7733, 10196, 15466, 28039, 30932, 48431, 56078, 94313, 96862, 112156, 188626, 193724, 377252, 532741, 1037443, 1065482, 1791947, 2074886, 2130964, 3583894, 4149772, 7167788, 19711417, 39422834, 78845668]

約数ペア:

[(1, 78845668), (2, 39422834), (4, 19711417), (11, 7167788), (19, 4149772), (22, 3583894), (37, 2130964), (38, 2074886), (44, 1791947), (74, 1065482), (76, 1037443), (148, 532741), (209, 377252), (407, 193724), (418, 188626), (703, 112156), (814, 96862), (836, 94313), (1406, 56078), (1628, 48431), (2549, 30932), (2812, 28039), (5098, 15466), (7733, 10196)]