25048516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 44997120

約数和(自身を除く): 19948604

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 991, 1982, 3964, 6319, 12638, 25276, 70361, 88199, 140722, 176398, 281444, 352796, 6262129, 12524258, 25048516]

約数ペア:

[(1, 25048516), (2, 12524258), (4, 6262129), (71, 352796), (89, 281444), (142, 176398), (178, 140722), (284, 88199), (356, 70361), (991, 25276), (1982, 12638), (3964, 6319)]