78969772

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 170529408

約数和(自身を除く): 91559636

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 82, 98, 124, 164, 196, 217, 287, 317, 434, 574, 634, 868, 1148, 1268, 1271, 1519, 2009, 2219, 2542, 3038, 4018, 4438, 5084, 6076, 8036, 8876, 8897, 9827, 12997, 15533, 17794, 19654, 25994, 31066, 35588, 39308, 51988, 62132, 62279, 68789, 90979, 124558, 137578, 181958, 249116, 275156, 363916, 402907, 481523, 636853, 805814, 963046, 1273706, 1611628, 1926092, 2547412, 2820349, 5640698, 11281396, 19742443, 39484886, 78969772]

約数ペア:

[(1, 78969772), (2, 39484886), (4, 19742443), (7, 11281396), (14, 5640698), (28, 2820349), (31, 2547412), (41, 1926092), (49, 1611628), (62, 1273706), (82, 963046), (98, 805814), (124, 636853), (164, 481523), (196, 402907), (217, 363916), (287, 275156), (317, 249116), (434, 181958), (574, 137578), (634, 124558), (868, 90979), (1148, 68789), (1268, 62279), (1271, 62132), (1519, 51988), (2009, 39308), (2219, 35588), (2542, 31066), (3038, 25994), (4018, 19654), (4438, 17794), (5084, 15533), (6076, 12997), (8036, 9827), (8876, 8897)]