664558188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{757}}^1\times {\mathrm{1493}}^1$

素因数の和:2271

約数の個数: 72

約数和(自身を含む): 1807393392

約数和(自身を除く): 1142835204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 757, 1493, 1514, 2271, 2986, 3028, 4479, 4542, 5299, 5972, 8958, 9084, 10451, 10598, 15897, 17916, 20902, 21196, 31353, 31794, 37093, 41804, 62706, 63588, 73157, 74186, 111279, 125412, 146314, 148372, 219471, 222558, 292628, 438942, 445116, 877884, 1130201, 2260402, 3390603, 4520804, 6781206, 7911407, 13562412, 15822814, 23734221, 31645628, 47468442, 55379849, 94936884, 110759698, 166139547, 221519396, 332279094, 664558188]

約数ペア:

[(1, 664558188), (2, 332279094), (3, 221519396), (4, 166139547), (6, 110759698), (7, 94936884), (12, 55379849), (14, 47468442), (21, 31645628), (28, 23734221), (42, 15822814), (49, 13562412), (84, 7911407), (98, 6781206), (147, 4520804), (196, 3390603), (294, 2260402), (588, 1130201), (757, 877884), (1493, 445116), (1514, 438942), (2271, 292628), (2986, 222558), (3028, 219471), (4479, 148372), (4542, 146314), (5299, 125412), (5972, 111279), (8958, 74186), (9084, 73157), (10451, 63588), (10598, 62706), (15897, 41804), (17916, 37093), (20902, 31794), (21196, 31353)]