128685492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2099}}^1$

素因数の和:2253

約数の個数: 72

約数和(自身を含む): 353152800

約数和(自身を除く): 224467308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 524, 786, 1179, 1572, 1703, 2099, 2358, 3406, 4198, 4716, 5109, 6297, 6812, 8396, 10218, 12594, 15327, 18891, 20436, 25188, 27287, 30654, 37782, 54574, 61308, 75564, 81861, 109148, 163722, 245583, 274969, 327444, 491166, 549938, 824907, 982332, 1099876, 1649814, 2474721, 3299628, 3574597, 4949442, 7149194, 9898884, 10723791, 14298388, 21447582, 32171373, 42895164, 64342746, 128685492]

約数ペア:

[(1, 128685492), (2, 64342746), (3, 42895164), (4, 32171373), (6, 21447582), (9, 14298388), (12, 10723791), (13, 9898884), (18, 7149194), (26, 4949442), (36, 3574597), (39, 3299628), (52, 2474721), (78, 1649814), (117, 1099876), (131, 982332), (156, 824907), (234, 549938), (262, 491166), (393, 327444), (468, 274969), (524, 245583), (786, 163722), (1179, 109148), (1572, 81861), (1703, 75564), (2099, 61308), (2358, 54574), (3406, 37782), (4198, 30654), (4716, 27287), (5109, 25188), (6297, 20436), (6812, 18891), (8396, 15327), (10218, 12594)]