78891528

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 205701120

約数和(自身を除く): 126809592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 107, 124, 186, 214, 248, 321, 372, 428, 642, 744, 856, 991, 1284, 1982, 2568, 2973, 3317, 3964, 5946, 6634, 7928, 9951, 11892, 13268, 19902, 23784, 26536, 30721, 39804, 61442, 79608, 92163, 106037, 122884, 184326, 212074, 245768, 318111, 368652, 424148, 636222, 737304, 848296, 1272444, 2544888, 3287147, 6574294, 9861441, 13148588, 19722882, 26297176, 39445764, 78891528]

約数ペア:

[(1, 78891528), (2, 39445764), (3, 26297176), (4, 19722882), (6, 13148588), (8, 9861441), (12, 6574294), (24, 3287147), (31, 2544888), (62, 1272444), (93, 848296), (107, 737304), (124, 636222), (186, 424148), (214, 368652), (248, 318111), (321, 245768), (372, 212074), (428, 184326), (642, 122884), (744, 106037), (856, 92163), (991, 79608), (1284, 61442), (1982, 39804), (2568, 30721), (2973, 26536), (3317, 23784), (3964, 19902), (5946, 13268), (6634, 11892), (7928, 9951)]