9907898

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 20563200

約数和(自身を除く): 10655302

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 101, 143, 154, 182, 202, 286, 343, 539, 637, 686, 707, 1001, 1078, 1111, 1274, 1313, 1414, 2002, 2222, 2626, 3773, 4459, 4949, 7007, 7546, 7777, 8918, 9191, 9898, 14014, 14443, 15554, 18382, 28886, 34643, 49049, 54439, 64337, 69286, 98098, 101101, 108878, 128674, 202202, 381073, 450359, 707707, 762146, 900718, 1415414, 4953949, 9907898]

約数ペア:

[(1, 9907898), (2, 4953949), (7, 1415414), (11, 900718), (13, 762146), (14, 707707), (22, 450359), (26, 381073), (49, 202202), (77, 128674), (91, 108878), (98, 101101), (101, 98098), (143, 69286), (154, 64337), (182, 54439), (202, 49049), (286, 34643), (343, 28886), (539, 18382), (637, 15554), (686, 14443), (707, 14014), (1001, 9898), (1078, 9191), (1111, 8918), (1274, 7777), (1313, 7546), (1414, 7007), (2002, 4949), (2222, 4459), (2626, 3773)]