72981068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 68542132

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 89, 124, 178, 356, 389, 527, 778, 1054, 1513, 1556, 2108, 2759, 3026, 5518, 6052, 6613, 11036, 12059, 13226, 24118, 26452, 34621, 46903, 48236, 69242, 93806, 138484, 187612, 205003, 410006, 588557, 820012, 1073251, 1177114, 2146502, 2354228, 4293004, 18245267, 36490534, 72981068]

約数ペア:

[(1, 72981068), (2, 36490534), (4, 18245267), (17, 4293004), (31, 2354228), (34, 2146502), (62, 1177114), (68, 1073251), (89, 820012), (124, 588557), (178, 410006), (356, 205003), (389, 187612), (527, 138484), (778, 93806), (1054, 69242), (1513, 48236), (1556, 46903), (2108, 34621), (2759, 26452), (3026, 24118), (5518, 13226), (6052, 12059), (6613, 11036)]