64842778

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 133459200

約数和(自身を除く): 68616422

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 343, 539, 637, 661, 686, 1001, 1078, 1274, 1322, 2002, 3773, 4459, 4627, 7007, 7271, 7546, 8593, 8918, 9254, 14014, 14542, 17186, 32389, 49049, 50897, 60151, 64778, 94523, 98098, 101794, 120302, 189046, 226723, 356279, 421057, 453446, 661661, 712558, 842114, 1323322, 2493953, 2947399, 4631627, 4987906, 5894798, 9263254, 32421389, 64842778]

約数ペア:

[(1, 64842778), (2, 32421389), (7, 9263254), (11, 5894798), (13, 4987906), (14, 4631627), (22, 2947399), (26, 2493953), (49, 1323322), (77, 842114), (91, 712558), (98, 661661), (143, 453446), (154, 421057), (182, 356279), (286, 226723), (343, 189046), (539, 120302), (637, 101794), (661, 98098), (686, 94523), (1001, 64778), (1078, 60151), (1274, 50897), (1322, 49049), (2002, 32389), (3773, 17186), (4459, 14542), (4627, 14014), (7007, 9254), (7271, 8918), (7546, 8593)]