78838928

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:960

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 110148976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 272, 329, 376, 476, 658, 752, 799, 881, 952, 1316, 1598, 1762, 1904, 2632, 3196, 3524, 5264, 5593, 6167, 6392, 7048, 11186, 12334, 12784, 14096, 14977, 22372, 24668, 29954, 41407, 44744, 49336, 59908, 82814, 89488, 98672, 104839, 119816, 165628, 209678, 239632, 289849, 331256, 419356, 579698, 662512, 703919, 838712, 1159396, 1407838, 1677424, 2318792, 2815676, 4637584, 4927433, 5631352, 9854866, 11262704, 19709732, 39419464, 78838928]

約数ペア:

[(1, 78838928), (2, 39419464), (4, 19709732), (7, 11262704), (8, 9854866), (14, 5631352), (16, 4927433), (17, 4637584), (28, 2815676), (34, 2318792), (47, 1677424), (56, 1407838), (68, 1159396), (94, 838712), (112, 703919), (119, 662512), (136, 579698), (188, 419356), (238, 331256), (272, 289849), (329, 239632), (376, 209678), (476, 165628), (658, 119816), (752, 104839), (799, 98672), (881, 89488), (952, 82814), (1316, 59908), (1598, 49336), (1762, 44744), (1904, 41407), (2632, 29954), (3196, 24668), (3524, 22372), (5264, 14977), (5593, 14096), (6167, 12784), (6392, 12334), (7048, 11186)]