81831204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24979}}^1$

素因数の和:25009

約数の個数: 72

約数和(自身を含む): 254596160

約数和(自身を除く): 172764956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24979, 49958, 74937, 99916, 149874, 174853, 224811, 299748, 324727, 349706, 449622, 524559, 649454, 699412, 899244, 974181, 1049118, 1298908, 1573677, 1948362, 2098236, 2273089, 2922543, 3147354, 3896724, 4546178, 5845086, 6294708, 6819267, 9092356, 11690172, 13638534, 20457801, 27277068, 40915602, 81831204]

約数ペア:

[(1, 81831204), (2, 40915602), (3, 27277068), (4, 20457801), (6, 13638534), (7, 11690172), (9, 9092356), (12, 6819267), (13, 6294708), (14, 5845086), (18, 4546178), (21, 3896724), (26, 3147354), (28, 2922543), (36, 2273089), (39, 2098236), (42, 1948362), (52, 1573677), (63, 1298908), (78, 1049118), (84, 974181), (91, 899244), (117, 699412), (126, 649454), (156, 524559), (182, 449622), (234, 349706), (252, 324727), (273, 299748), (364, 224811), (468, 174853), (546, 149874), (819, 99916), (1092, 74937), (1638, 49958), (3276, 24979)]