199971772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49943}}^1$

素因数の和:49978

約数の個数: 48

約数和(自身を含む): 469873152

約数和(自身を除く): 269901380

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 49943, 99886, 199772, 349601, 549373, 649259, 699202, 1098746, 1298518, 1398404, 2197492, 2597036, 3845611, 4544813, 7141849, 7691222, 9089626, 14283698, 15382444, 18179252, 28567396, 49992943, 99985886, 199971772]

約数ペア:

[(1, 199971772), (2, 99985886), (4, 49992943), (7, 28567396), (11, 18179252), (13, 15382444), (14, 14283698), (22, 9089626), (26, 7691222), (28, 7141849), (44, 4544813), (52, 3845611), (77, 2597036), (91, 2197492), (143, 1398404), (154, 1298518), (182, 1098746), (286, 699202), (308, 649259), (364, 549373), (572, 349601), (1001, 199772), (2002, 99886), (4004, 49943)]