278843616

素因数分解:

$2^5\times 3^2\times {\mathrm{977}}^1\times {\mathrm{991}}^1$

素因数の和:1984

約数の個数: 72

約数和(自身を含む): 794574144

約数和(自身を除く): 515730528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 977, 991, 1954, 1982, 2931, 2973, 3908, 3964, 5862, 5946, 7816, 7928, 8793, 8919, 11724, 11892, 15632, 15856, 17586, 17838, 23448, 23784, 31264, 31712, 35172, 35676, 46896, 47568, 70344, 71352, 93792, 95136, 140688, 142704, 281376, 285408, 968207, 1936414, 2904621, 3872828, 5809242, 7745656, 8713863, 11618484, 15491312, 17427726, 23236968, 30982624, 34855452, 46473936, 69710904, 92947872, 139421808, 278843616]

約数ペア:

[(1, 278843616), (2, 139421808), (3, 92947872), (4, 69710904), (6, 46473936), (8, 34855452), (9, 30982624), (12, 23236968), (16, 17427726), (18, 15491312), (24, 11618484), (32, 8713863), (36, 7745656), (48, 5809242), (72, 3872828), (96, 2904621), (144, 1936414), (288, 968207), (977, 285408), (991, 281376), (1954, 142704), (1982, 140688), (2931, 95136), (2973, 93792), (3908, 71352), (3964, 70344), (5862, 47568), (5946, 46896), (7816, 35676), (7928, 35172), (8793, 31712), (8919, 31264), (11724, 23784), (11892, 23448), (15632, 17838), (15856, 17586)]