221285688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 623185920

約数和(自身を除く): 401900232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 137, 156, 167, 186, 248, 274, 312, 334, 372, 403, 411, 501, 548, 668, 744, 806, 822, 1002, 1096, 1209, 1336, 1612, 1644, 1781, 2004, 2171, 2418, 3224, 3288, 3562, 4008, 4247, 4342, 4836, 5177, 5343, 6513, 7124, 8494, 8684, 9672, 10354, 10686, 12741, 13026, 14248, 15531, 16988, 17368, 20708, 21372, 22879, 25482, 26052, 31062, 33976, 41416, 42744, 45758, 50964, 52104, 55211, 62124, 67301, 68637, 91516, 101928, 110422, 124248, 134602, 137274, 165633, 183032, 201903, 220844, 269204, 274548, 297427, 331266, 403806, 441688, 538408, 549096, 594854, 662532, 709249, 807612, 892281, 1189708, 1325064, 1418498, 1615224, 1784562, 2127747, 2379416, 2836996, 3569124, 4255494, 5673992, 7138248, 8510988, 9220237, 17021976, 18440474, 27660711, 36880948, 55321422, 73761896, 110642844, 221285688]

約数ペア:

[(1, 221285688), (2, 110642844), (3, 73761896), (4, 55321422), (6, 36880948), (8, 27660711), (12, 18440474), (13, 17021976), (24, 9220237), (26, 8510988), (31, 7138248), (39, 5673992), (52, 4255494), (62, 3569124), (78, 2836996), (93, 2379416), (104, 2127747), (124, 1784562), (137, 1615224), (156, 1418498), (167, 1325064), (186, 1189708), (248, 892281), (274, 807612), (312, 709249), (334, 662532), (372, 594854), (403, 549096), (411, 538408), (501, 441688), (548, 403806), (668, 331266), (744, 297427), (806, 274548), (822, 269204), (1002, 220844), (1096, 201903), (1209, 183032), (1336, 165633), (1612, 137274), (1644, 134602), (1781, 124248), (2004, 110422), (2171, 101928), (2418, 91516), (3224, 68637), (3288, 67301), (3562, 62124), (4008, 55211), (4247, 52104), (4342, 50964), (4836, 45758), (5177, 42744), (5343, 41416), (6513, 33976), (7124, 31062), (8494, 26052), (8684, 25482), (9672, 22879), (10354, 21372), (10686, 20708), (12741, 17368), (13026, 16988), (14248, 15531)]