81134326

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 156473856

約数和(自身を除く): 75339530

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 83, 91, 131, 166, 182, 262, 287, 533, 574, 581, 917, 1066, 1079, 1162, 1703, 1834, 2158, 3403, 3406, 3731, 5371, 6806, 7462, 7553, 10742, 10873, 11921, 15106, 21746, 23821, 23842, 37597, 44239, 47642, 69823, 75194, 76111, 88478, 139646, 141349, 152222, 282698, 309673, 445793, 488761, 619346, 891586, 977522, 989443, 1978886, 3120551, 5795309, 6241102, 11590618, 40567163, 81134326]

約数ペア:

[(1, 81134326), (2, 40567163), (7, 11590618), (13, 6241102), (14, 5795309), (26, 3120551), (41, 1978886), (82, 989443), (83, 977522), (91, 891586), (131, 619346), (166, 488761), (182, 445793), (262, 309673), (287, 282698), (533, 152222), (574, 141349), (581, 139646), (917, 88478), (1066, 76111), (1079, 75194), (1162, 69823), (1703, 47642), (1834, 44239), (2158, 37597), (3403, 23842), (3406, 23821), (3731, 21746), (5371, 15106), (6806, 11921), (7462, 10873), (7553, 10742)]