128280964

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 265136256

約数和(自身を除く): 136855292

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 131, 164, 262, 287, 524, 574, 853, 917, 1148, 1706, 1834, 3412, 3668, 5371, 5971, 10742, 11942, 21484, 23884, 34973, 37597, 69946, 75194, 111743, 139892, 150388, 223486, 244811, 446972, 489622, 782201, 979244, 1564402, 3128804, 4581463, 9162926, 18325852, 32070241, 64140482, 128280964]

約数ペア:

[(1, 128280964), (2, 64140482), (4, 32070241), (7, 18325852), (14, 9162926), (28, 4581463), (41, 3128804), (82, 1564402), (131, 979244), (164, 782201), (262, 489622), (287, 446972), (524, 244811), (574, 223486), (853, 150388), (917, 139892), (1148, 111743), (1706, 75194), (1834, 69946), (3412, 37597), (3668, 34973), (5371, 23884), (5971, 21484), (10742, 11942)]