81509298

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 183654912

約数和(自身を除く): 102145614

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 61, 74, 78, 111, 122, 183, 222, 366, 463, 481, 793, 926, 962, 1389, 1443, 1586, 2257, 2379, 2778, 2886, 4514, 4758, 6019, 6771, 12038, 13542, 17131, 18057, 28243, 29341, 34262, 36114, 51393, 56486, 58682, 84729, 88023, 102786, 169458, 176046, 222703, 367159, 445406, 668109, 734318, 1044991, 1101477, 1336218, 2089982, 2202954, 3134973, 6269946, 13584883, 27169766, 40754649, 81509298]

約数ペア:

[(1, 81509298), (2, 40754649), (3, 27169766), (6, 13584883), (13, 6269946), (26, 3134973), (37, 2202954), (39, 2089982), (61, 1336218), (74, 1101477), (78, 1044991), (111, 734318), (122, 668109), (183, 445406), (222, 367159), (366, 222703), (463, 176046), (481, 169458), (793, 102786), (926, 88023), (962, 84729), (1389, 58682), (1443, 56486), (1586, 51393), (2257, 36114), (2379, 34262), (2778, 29341), (2886, 28243), (4514, 18057), (4758, 17131), (6019, 13542), (6771, 12038)]