78621424

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9973

約数の個数: 40

約数和(自身を含む): 176560128

約数和(自身を除く): 97938704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 9887, 19774, 39548, 69209, 79096, 138418, 158192, 276836, 553672, 701977, 1107344, 1403954, 2807908, 4913839, 5615816, 9827678, 11231632, 19655356, 39310712, 78621424]

約数ペア:

[(1, 78621424), (2, 39310712), (4, 19655356), (7, 11231632), (8, 9827678), (14, 5615816), (16, 4913839), (28, 2807908), (56, 1403954), (71, 1107344), (112, 701977), (142, 553672), (284, 276836), (497, 158192), (568, 138418), (994, 79096), (1136, 69209), (1988, 39548), (3976, 19774), (7952, 9887)]