211691808

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 144

約数和(自身を含む): 629620992

約数和(自身を除く): 417929184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 131, 144, 181, 186, 248, 262, 279, 288, 362, 372, 393, 496, 524, 543, 558, 724, 744, 786, 992, 1048, 1086, 1116, 1179, 1448, 1488, 1572, 1629, 2096, 2172, 2232, 2358, 2896, 2976, 3144, 3258, 4061, 4192, 4344, 4464, 4716, 5611, 5792, 6288, 6516, 8122, 8688, 8928, 9432, 11222, 12183, 12576, 13032, 16244, 16833, 17376, 18864, 22444, 23711, 24366, 26064, 32488, 33666, 36549, 37728, 44888, 47422, 48732, 50499, 52128, 64976, 67332, 71133, 73098, 89776, 94844, 97464, 100998, 129952, 134664, 142266, 146196, 179552, 189688, 194928, 201996, 213399, 269328, 284532, 292392, 379376, 389856, 403992, 426798, 538656, 569064, 584784, 735041, 758752, 807984, 853596, 1138128, 1169568, 1470082, 1615968, 1707192, 2205123, 2276256, 2940164, 3414384, 4410246, 5880328, 6615369, 6828768, 8820492, 11760656, 13230738, 17640984, 23521312, 26461476, 35281968, 52922952, 70563936, 105845904, 211691808]

約数ペア:

[(1, 211691808), (2, 105845904), (3, 70563936), (4, 52922952), (6, 35281968), (8, 26461476), (9, 23521312), (12, 17640984), (16, 13230738), (18, 11760656), (24, 8820492), (31, 6828768), (32, 6615369), (36, 5880328), (48, 4410246), (62, 3414384), (72, 2940164), (93, 2276256), (96, 2205123), (124, 1707192), (131, 1615968), (144, 1470082), (181, 1169568), (186, 1138128), (248, 853596), (262, 807984), (279, 758752), (288, 735041), (362, 584784), (372, 569064), (393, 538656), (496, 426798), (524, 403992), (543, 389856), (558, 379376), (724, 292392), (744, 284532), (786, 269328), (992, 213399), (1048, 201996), (1086, 194928), (1116, 189688), (1179, 179552), (1448, 146196), (1488, 142266), (1572, 134664), (1629, 129952), (2096, 100998), (2172, 97464), (2232, 94844), (2358, 89776), (2896, 73098), (2976, 71133), (3144, 67332), (3258, 64976), (4061, 52128), (4192, 50499), (4344, 48732), (4464, 47422), (4716, 44888), (5611, 37728), (5792, 36549), (6288, 33666), (6516, 32488), (8122, 26064), (8688, 24366), (8928, 23711), (9432, 22444), (11222, 18864), (12183, 17376), (12576, 16833), (13032, 16244)]