131621256

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 400385700

約数和(自身を除く): 268764444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 72, 78, 87, 104, 116, 117, 156, 169, 174, 232, 234, 261, 312, 338, 348, 373, 377, 468, 507, 522, 676, 696, 746, 754, 936, 1014, 1044, 1119, 1131, 1352, 1492, 1508, 1521, 2028, 2088, 2238, 2262, 2984, 3016, 3042, 3357, 3393, 4056, 4476, 4524, 4849, 4901, 6084, 6714, 6786, 8952, 9048, 9698, 9802, 10817, 12168, 13428, 13572, 14547, 14703, 19396, 19604, 21634, 26856, 27144, 29094, 29406, 32451, 38792, 39208, 43268, 43641, 44109, 58188, 58812, 63037, 64902, 86536, 87282, 88218, 97353, 116376, 117624, 126074, 129804, 140621, 174564, 176436, 189111, 194706, 252148, 259608, 281242, 349128, 352872, 378222, 389412, 421863, 504296, 562484, 567333, 756444, 778824, 843726, 1124968, 1134666, 1265589, 1512888, 1687452, 1828073, 2269332, 2531178, 3374904, 3656146, 4538664, 5062356, 5484219, 7312292, 10124712, 10968438, 14624584, 16452657, 21936876, 32905314, 43873752, 65810628, 131621256]

約数ペア:

[(1, 131621256), (2, 65810628), (3, 43873752), (4, 32905314), (6, 21936876), (8, 16452657), (9, 14624584), (12, 10968438), (13, 10124712), (18, 7312292), (24, 5484219), (26, 5062356), (29, 4538664), (36, 3656146), (39, 3374904), (52, 2531178), (58, 2269332), (72, 1828073), (78, 1687452), (87, 1512888), (104, 1265589), (116, 1134666), (117, 1124968), (156, 843726), (169, 778824), (174, 756444), (232, 567333), (234, 562484), (261, 504296), (312, 421863), (338, 389412), (348, 378222), (373, 352872), (377, 349128), (468, 281242), (507, 259608), (522, 252148), (676, 194706), (696, 189111), (746, 176436), (754, 174564), (936, 140621), (1014, 129804), (1044, 126074), (1119, 117624), (1131, 116376), (1352, 97353), (1492, 88218), (1508, 87282), (1521, 86536), (2028, 64902), (2088, 63037), (2238, 58812), (2262, 58188), (2984, 44109), (3016, 43641), (3042, 43268), (3357, 39208), (3393, 38792), (4056, 32451), (4476, 29406), (4524, 29094), (4849, 27144), (4901, 26856), (6084, 21634), (6714, 19604), (6786, 19396), (8952, 14703), (9048, 14547), (9698, 13572), (9802, 13428), (10817, 12168)]