31218876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1627}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 87111024

約数和(自身を除く): 55892148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 1627, 2132, 3198, 3254, 4797, 4881, 6396, 6508, 9594, 9762, 14643, 19188, 19524, 21151, 29286, 42302, 58572, 63453, 66707, 84604, 126906, 133414, 190359, 200121, 253812, 266828, 380718, 400242, 600363, 761436, 800484, 867191, 1200726, 1734382, 2401452, 2601573, 3468764, 5203146, 7804719, 10406292, 15609438, 31218876]

約数ペア:

[(1, 31218876), (2, 15609438), (3, 10406292), (4, 7804719), (6, 5203146), (9, 3468764), (12, 2601573), (13, 2401452), (18, 1734382), (26, 1200726), (36, 867191), (39, 800484), (41, 761436), (52, 600363), (78, 400242), (82, 380718), (117, 266828), (123, 253812), (156, 200121), (164, 190359), (234, 133414), (246, 126906), (369, 84604), (468, 66707), (492, 63453), (533, 58572), (738, 42302), (1066, 29286), (1476, 21151), (1599, 19524), (1627, 19188), (2132, 14643), (3198, 9762), (3254, 9594), (4797, 6508), (4881, 6396)]