87684156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 254290400

約数和(自身を除く): 166606244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 349, 698, 997, 1047, 1396, 1994, 2094, 2443, 2991, 3141, 3988, 4188, 4886, 5982, 6282, 6979, 7329, 8973, 9772, 11964, 12564, 13958, 14658, 17946, 20937, 21987, 27916, 29316, 35892, 41874, 43974, 62811, 83748, 87948, 125622, 251244, 347953, 695906, 1043859, 1391812, 2087718, 2435671, 3131577, 4175436, 4871342, 6263154, 7307013, 9742684, 12526308, 14614026, 21921039, 29228052, 43842078, 87684156]

約数ペア:

[(1, 87684156), (2, 43842078), (3, 29228052), (4, 21921039), (6, 14614026), (7, 12526308), (9, 9742684), (12, 7307013), (14, 6263154), (18, 4871342), (21, 4175436), (28, 3131577), (36, 2435671), (42, 2087718), (63, 1391812), (84, 1043859), (126, 695906), (252, 347953), (349, 251244), (698, 125622), (997, 87948), (1047, 83748), (1396, 62811), (1994, 43974), (2094, 41874), (2443, 35892), (2991, 29316), (3141, 27916), (3988, 21987), (4188, 20937), (4886, 17946), (5982, 14658), (6282, 13958), (6979, 12564), (7329, 11964), (8973, 9772)]