1491697904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 3114101280

約数和(自身を除く): 1622403376

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 257, 304, 313, 488, 514, 626, 976, 1028, 1159, 1252, 2056, 2318, 2504, 4112, 4636, 4883, 5008, 5947, 9272, 9766, 11894, 15677, 18544, 19093, 19532, 23788, 31354, 38186, 39064, 47576, 62708, 76372, 78128, 80441, 95152, 125416, 152744, 160882, 250832, 297863, 305488, 321764, 362767, 595726, 643528, 725534, 1191452, 1287056, 1451068, 1528379, 2382904, 2902136, 3056758, 4765808, 4906901, 5804272, 6113516, 9813802, 12227032, 19627604, 24454064, 39255208, 78510416, 93231119, 186462238, 372924476, 745848952, 1491697904]

約数ペア:

[(1, 1491697904), (2, 745848952), (4, 372924476), (8, 186462238), (16, 93231119), (19, 78510416), (38, 39255208), (61, 24454064), (76, 19627604), (122, 12227032), (152, 9813802), (244, 6113516), (257, 5804272), (304, 4906901), (313, 4765808), (488, 3056758), (514, 2902136), (626, 2382904), (976, 1528379), (1028, 1451068), (1159, 1287056), (1252, 1191452), (2056, 725534), (2318, 643528), (2504, 595726), (4112, 362767), (4636, 321764), (4883, 305488), (5008, 297863), (5947, 250832), (9272, 160882), (9766, 152744), (11894, 125416), (15677, 95152), (18544, 80441), (19093, 78128), (19532, 76372), (23788, 62708), (31354, 47576), (38186, 39064)]