81028388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 90573532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 223, 266, 446, 532, 683, 892, 1366, 1561, 2732, 3122, 4237, 4781, 6244, 8474, 9562, 12977, 16948, 19124, 25954, 29659, 51908, 59318, 90839, 118636, 152309, 181678, 304618, 363356, 609236, 1066163, 2132326, 2893871, 4264652, 5787742, 11575484, 20257097, 40514194, 81028388]

約数ペア:

[(1, 81028388), (2, 40514194), (4, 20257097), (7, 11575484), (14, 5787742), (19, 4264652), (28, 2893871), (38, 2132326), (76, 1066163), (133, 609236), (223, 363356), (266, 304618), (446, 181678), (532, 152309), (683, 118636), (892, 90839), (1366, 59318), (1561, 51908), (2732, 29659), (3122, 25954), (4237, 19124), (4781, 16948), (6244, 12977), (8474, 9562)]