64807568

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1381}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 143949120

約数和(自身を除く): 79141552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 838, 1381, 1676, 2762, 2933, 3352, 5524, 5866, 6704, 9667, 11048, 11732, 19334, 22096, 23464, 38668, 46928, 77336, 154672, 578639, 1157278, 2314556, 4050473, 4629112, 8100946, 9258224, 16201892, 32403784, 64807568]

約数ペア:

[(1, 64807568), (2, 32403784), (4, 16201892), (7, 9258224), (8, 8100946), (14, 4629112), (16, 4050473), (28, 2314556), (56, 1157278), (112, 578639), (419, 154672), (838, 77336), (1381, 46928), (1676, 38668), (2762, 23464), (2933, 22096), (3352, 19334), (5524, 11732), (5866, 11048), (6704, 9667)]