81289038

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 176504832

約数和(自身を除く): 95215794

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 83, 94, 138, 141, 151, 166, 249, 282, 302, 453, 498, 906, 1081, 1909, 2162, 3243, 3473, 3818, 3901, 5727, 6486, 6946, 7097, 7802, 10419, 11454, 11703, 12533, 14194, 20838, 21291, 23406, 25066, 37599, 42582, 75198, 89723, 163231, 179446, 269169, 288259, 326462, 489693, 538338, 576518, 589051, 864777, 979386, 1178102, 1729554, 1767153, 3534306, 13548173, 27096346, 40644519, 81289038]

約数ペア:

[(1, 81289038), (2, 40644519), (3, 27096346), (6, 13548173), (23, 3534306), (46, 1767153), (47, 1729554), (69, 1178102), (83, 979386), (94, 864777), (138, 589051), (141, 576518), (151, 538338), (166, 489693), (249, 326462), (282, 288259), (302, 269169), (453, 179446), (498, 163231), (906, 89723), (1081, 75198), (1909, 42582), (2162, 37599), (3243, 25066), (3473, 23406), (3818, 21291), (3901, 20838), (5727, 14194), (6486, 12533), (6946, 11703), (7097, 11454), (7802, 10419)]