397221408

素因数分解:

$2^5\times 3^5\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 144

約数和(自身を含む): 1222917696

約数和(自身を除く): 825696288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 243, 276, 288, 324, 368, 414, 432, 486, 552, 621, 648, 736, 828, 864, 972, 1104, 1242, 1296, 1656, 1863, 1944, 2208, 2221, 2484, 2592, 3312, 3726, 3888, 4442, 4968, 5589, 6624, 6663, 7452, 7776, 8884, 9936, 11178, 13326, 14904, 17768, 19872, 19989, 22356, 26652, 29808, 35536, 39978, 44712, 51083, 53304, 59616, 59967, 71072, 79956, 89424, 102166, 106608, 119934, 153249, 159912, 178848, 179901, 204332, 213216, 239868, 306498, 319824, 359802, 408664, 459747, 479736, 539703, 612996, 639648, 719604, 817328, 919494, 959472, 1079406, 1225992, 1379241, 1439208, 1634656, 1838988, 1918944, 2158812, 2451984, 2758482, 2878416, 3677976, 4137723, 4317624, 4903968, 5516964, 5756832, 7355952, 8275446, 8635248, 11033928, 12413169, 14711904, 16550892, 17270496, 22067856, 24826338, 33101784, 44135712, 49652676, 66203568, 99305352, 132407136, 198610704, 397221408]

約数ペア:

[(1, 397221408), (2, 198610704), (3, 132407136), (4, 99305352), (6, 66203568), (8, 49652676), (9, 44135712), (12, 33101784), (16, 24826338), (18, 22067856), (23, 17270496), (24, 16550892), (27, 14711904), (32, 12413169), (36, 11033928), (46, 8635248), (48, 8275446), (54, 7355952), (69, 5756832), (72, 5516964), (81, 4903968), (92, 4317624), (96, 4137723), (108, 3677976), (138, 2878416), (144, 2758482), (162, 2451984), (184, 2158812), (207, 1918944), (216, 1838988), (243, 1634656), (276, 1439208), (288, 1379241), (324, 1225992), (368, 1079406), (414, 959472), (432, 919494), (486, 817328), (552, 719604), (621, 639648), (648, 612996), (736, 539703), (828, 479736), (864, 459747), (972, 408664), (1104, 359802), (1242, 319824), (1296, 306498), (1656, 239868), (1863, 213216), (1944, 204332), (2208, 179901), (2221, 178848), (2484, 159912), (2592, 153249), (3312, 119934), (3726, 106608), (3888, 102166), (4442, 89424), (4968, 79956), (5589, 71072), (6624, 59967), (6663, 59616), (7452, 53304), (7776, 51083), (8884, 44712), (9936, 39978), (11178, 35536), (13326, 29808), (14904, 26652), (17768, 22356), (19872, 19989)]