72557428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 143337600

約数和(自身を除く): 70780172

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 178, 323, 356, 631, 646, 1262, 1292, 1513, 1691, 2524, 3026, 3382, 6052, 6764, 10727, 11989, 21454, 23978, 28747, 42908, 47956, 56159, 57494, 112318, 114988, 203813, 224636, 407626, 815252, 954703, 1067021, 1909406, 2134042, 3818812, 4268084, 18139357, 36278714, 72557428]

約数ペア:

[(1, 72557428), (2, 36278714), (4, 18139357), (17, 4268084), (19, 3818812), (34, 2134042), (38, 1909406), (68, 1067021), (76, 954703), (89, 815252), (178, 407626), (323, 224636), (356, 203813), (631, 114988), (646, 112318), (1262, 57494), (1292, 56159), (1513, 47956), (1691, 42908), (2524, 28747), (3026, 23978), (3382, 21454), (6052, 11989), (6764, 10727)]