881215412

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 108

約数和(自身を含む): 2002748580

約数和(自身を除く): 1121533168

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 121, 146, 154, 196, 242, 292, 308, 484, 509, 511, 539, 803, 847, 1018, 1022, 1078, 1606, 1694, 2036, 2044, 2156, 3212, 3388, 3563, 3577, 5599, 5621, 5929, 7126, 7154, 8833, 11198, 11242, 11858, 14252, 14308, 17666, 22396, 22484, 23716, 24941, 35332, 37157, 39193, 39347, 49882, 61589, 61831, 74314, 78386, 78694, 99764, 123178, 123662, 148628, 156772, 157388, 246356, 247324, 260099, 274351, 408727, 431123, 432817, 520198, 548702, 817454, 862246, 865634, 1040396, 1097404, 1634908, 1724492, 1731268, 1820693, 2861089, 3017861, 3641386, 4495997, 5722178, 6035722, 7282772, 8991994, 11444356, 12071444, 17983988, 20027623, 31471979, 40055246, 62943958, 80110492, 125887916, 220303853, 440607706, 881215412]

約数ペア:

[(1, 881215412), (2, 440607706), (4, 220303853), (7, 125887916), (11, 80110492), (14, 62943958), (22, 40055246), (28, 31471979), (44, 20027623), (49, 17983988), (73, 12071444), (77, 11444356), (98, 8991994), (121, 7282772), (146, 6035722), (154, 5722178), (196, 4495997), (242, 3641386), (292, 3017861), (308, 2861089), (484, 1820693), (509, 1731268), (511, 1724492), (539, 1634908), (803, 1097404), (847, 1040396), (1018, 865634), (1022, 862246), (1078, 817454), (1606, 548702), (1694, 520198), (2036, 432817), (2044, 431123), (2156, 408727), (3212, 274351), (3388, 260099), (3563, 247324), (3577, 246356), (5599, 157388), (5621, 156772), (5929, 148628), (7126, 123662), (7154, 123178), (8833, 99764), (11198, 78694), (11242, 78386), (11858, 74314), (14252, 61831), (14308, 61589), (17666, 49882), (22396, 39347), (22484, 39193), (23716, 37157), (24941, 35332)]