87431868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 231613200

約数和(自身を除く): 144181332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 249, 261, 332, 348, 498, 522, 747, 996, 1009, 1044, 1494, 2018, 2407, 2988, 3027, 4036, 4814, 6054, 7221, 9081, 9628, 12108, 14442, 18162, 21663, 28884, 29261, 36324, 43326, 58522, 83747, 86652, 87783, 117044, 167494, 175566, 251241, 263349, 334988, 351132, 502482, 526698, 753723, 1004964, 1053396, 1507446, 2428663, 3014892, 4857326, 7285989, 9714652, 14571978, 21857967, 29143956, 43715934, 87431868]

約数ペア:

[(1, 87431868), (2, 43715934), (3, 29143956), (4, 21857967), (6, 14571978), (9, 9714652), (12, 7285989), (18, 4857326), (29, 3014892), (36, 2428663), (58, 1507446), (83, 1053396), (87, 1004964), (116, 753723), (166, 526698), (174, 502482), (249, 351132), (261, 334988), (332, 263349), (348, 251241), (498, 175566), (522, 167494), (747, 117044), (996, 87783), (1009, 86652), (1044, 83747), (1494, 58522), (2018, 43326), (2407, 36324), (2988, 29261), (3027, 28884), (4036, 21663), (4814, 18162), (6054, 14442), (7221, 12108), (9081, 9628)]