64261548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2335

約数の個数: 72

約数和(自身を含む): 177880976

約数和(自身を除く): 113619428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2251, 2379, 3172, 4502, 4758, 6753, 7137, 9004, 9516, 13506, 14274, 20259, 27012, 28548, 29263, 40518, 58526, 81036, 87789, 117052, 137311, 175578, 263367, 274622, 351156, 411933, 526734, 549244, 823866, 1053468, 1235799, 1647732, 1785043, 2471598, 3570086, 4943196, 5355129, 7140172, 10710258, 16065387, 21420516, 32130774, 64261548]

約数ペア:

[(1, 64261548), (2, 32130774), (3, 21420516), (4, 16065387), (6, 10710258), (9, 7140172), (12, 5355129), (13, 4943196), (18, 3570086), (26, 2471598), (36, 1785043), (39, 1647732), (52, 1235799), (61, 1053468), (78, 823866), (117, 549244), (122, 526734), (156, 411933), (183, 351156), (234, 274622), (244, 263367), (366, 175578), (468, 137311), (549, 117052), (732, 87789), (793, 81036), (1098, 58526), (1586, 40518), (2196, 29263), (2251, 28548), (2379, 27012), (3172, 20259), (4502, 14274), (4758, 13506), (6753, 9516), (7137, 9004)]