28258168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 31357832

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 59, 76, 92, 118, 137, 152, 184, 236, 274, 437, 472, 548, 874, 1096, 1121, 1357, 1748, 2242, 2603, 2714, 3151, 3496, 4484, 5206, 5428, 6302, 8083, 8968, 10412, 10856, 12604, 16166, 20824, 25208, 25783, 32332, 51566, 59869, 64664, 103132, 119738, 153577, 185909, 206264, 239476, 307154, 371818, 478952, 614308, 743636, 1228616, 1487272, 3532271, 7064542, 14129084, 28258168]

約数ペア:

[(1, 28258168), (2, 14129084), (4, 7064542), (8, 3532271), (19, 1487272), (23, 1228616), (38, 743636), (46, 614308), (59, 478952), (76, 371818), (92, 307154), (118, 239476), (137, 206264), (152, 185909), (184, 153577), (236, 119738), (274, 103132), (437, 64664), (472, 59869), (548, 51566), (874, 32332), (1096, 25783), (1121, 25208), (1357, 20824), (1748, 16166), (2242, 12604), (2603, 10856), (2714, 10412), (3151, 8968), (3496, 8083), (4484, 6302), (5206, 5428)]