221387616

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 144

約数和(自身を含む): 658240128

約数和(自身を除く): 436852512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 137, 144, 181, 186, 248, 274, 279, 288, 362, 372, 411, 496, 543, 548, 558, 724, 744, 822, 992, 1086, 1096, 1116, 1233, 1448, 1488, 1629, 1644, 2172, 2192, 2232, 2466, 2896, 2976, 3258, 3288, 4247, 4344, 4384, 4464, 4932, 5611, 5792, 6516, 6576, 8494, 8688, 8928, 9864, 11222, 12741, 13032, 13152, 16833, 16988, 17376, 19728, 22444, 24797, 25482, 26064, 33666, 33976, 38223, 39456, 44888, 49594, 50499, 50964, 52128, 67332, 67952, 74391, 76446, 89776, 99188, 100998, 101928, 134664, 135904, 148782, 152892, 179552, 198376, 201996, 203856, 223173, 269328, 297564, 305784, 396752, 403992, 407712, 446346, 538656, 595128, 611568, 768707, 793504, 807984, 892692, 1190256, 1223136, 1537414, 1615968, 1785384, 2306121, 2380512, 3074828, 3570768, 4612242, 6149656, 6918363, 7141536, 9224484, 12299312, 13836726, 18448968, 24598624, 27673452, 36897936, 55346904, 73795872, 110693808, 221387616]

約数ペア:

[(1, 221387616), (2, 110693808), (3, 73795872), (4, 55346904), (6, 36897936), (8, 27673452), (9, 24598624), (12, 18448968), (16, 13836726), (18, 12299312), (24, 9224484), (31, 7141536), (32, 6918363), (36, 6149656), (48, 4612242), (62, 3570768), (72, 3074828), (93, 2380512), (96, 2306121), (124, 1785384), (137, 1615968), (144, 1537414), (181, 1223136), (186, 1190256), (248, 892692), (274, 807984), (279, 793504), (288, 768707), (362, 611568), (372, 595128), (411, 538656), (496, 446346), (543, 407712), (548, 403992), (558, 396752), (724, 305784), (744, 297564), (822, 269328), (992, 223173), (1086, 203856), (1096, 201996), (1116, 198376), (1233, 179552), (1448, 152892), (1488, 148782), (1629, 135904), (1644, 134664), (2172, 101928), (2192, 100998), (2232, 99188), (2466, 89776), (2896, 76446), (2976, 74391), (3258, 67952), (3288, 67332), (4247, 52128), (4344, 50964), (4384, 50499), (4464, 49594), (4932, 44888), (5611, 39456), (5792, 38223), (6516, 33976), (6576, 33666), (8494, 26064), (8688, 25482), (8928, 24797), (9864, 22444), (11222, 19728), (12741, 17376), (13032, 16988), (13152, 16833)]