256432318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 417221280

約数和(自身を除く): 160788962

約数列:

[1, 2, 17, 34, 83, 89, 166, 178, 1021, 1411, 1513, 2042, 2822, 3026, 7387, 14774, 17357, 34714, 84743, 90869, 125579, 169486, 181738, 251158, 1440631, 1544773, 2881262, 3089546, 7542127, 15084254, 128216159, 256432318]

約数ペア:

[(1, 256432318), (2, 128216159), (17, 15084254), (34, 7542127), (83, 3089546), (89, 2881262), (166, 1544773), (178, 1440631), (1021, 251158), (1411, 181738), (1513, 169486), (2042, 125579), (2822, 90869), (3026, 84743), (7387, 34714), (14774, 17357)]