66981348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2029}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 195074880

約数和(自身を除く): 128093532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2029, 2358, 2751, 3668, 4058, 4716, 5502, 6087, 8116, 8253, 11004, 12174, 14203, 16506, 18261, 24348, 28406, 33012, 36522, 42609, 56812, 73044, 85218, 127827, 170436, 255654, 265799, 511308, 531598, 797397, 1063196, 1594794, 1860593, 2392191, 3189588, 3721186, 4784382, 5581779, 7442372, 9568764, 11163558, 16745337, 22327116, 33490674, 66981348]

約数ペア:

[(1, 66981348), (2, 33490674), (3, 22327116), (4, 16745337), (6, 11163558), (7, 9568764), (9, 7442372), (12, 5581779), (14, 4784382), (18, 3721186), (21, 3189588), (28, 2392191), (36, 1860593), (42, 1594794), (63, 1063196), (84, 797397), (126, 531598), (131, 511308), (252, 265799), (262, 255654), (393, 170436), (524, 127827), (786, 85218), (917, 73044), (1179, 56812), (1572, 42609), (1834, 36522), (2029, 33012), (2358, 28406), (2751, 24348), (3668, 18261), (4058, 16506), (4716, 14203), (5502, 12174), (6087, 11004), (8116, 8253)]