212666972

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1567}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 440444928

約数和(自身を除く): 227777956

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 131, 148, 259, 262, 518, 524, 917, 1036, 1567, 1834, 3134, 3668, 4847, 6268, 9694, 10969, 19388, 21938, 33929, 43876, 57979, 67858, 115958, 135716, 205277, 231916, 405853, 410554, 811706, 821108, 1436939, 1623412, 2873878, 5747756, 7595249, 15190498, 30380996, 53166743, 106333486, 212666972]

約数ペア:

[(1, 212666972), (2, 106333486), (4, 53166743), (7, 30380996), (14, 15190498), (28, 7595249), (37, 5747756), (74, 2873878), (131, 1623412), (148, 1436939), (259, 821108), (262, 811706), (518, 410554), (524, 405853), (917, 231916), (1036, 205277), (1567, 135716), (1834, 115958), (3134, 67858), (3668, 57979), (4847, 43876), (6268, 33929), (9694, 21938), (10969, 19388)]