291258864

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1175

約数の個数: 120

約数和(自身を含む): 884304512

約数和(自身を除く): 593045648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 157, 208, 234, 312, 314, 468, 471, 624, 628, 936, 942, 991, 1256, 1413, 1872, 1884, 1982, 2041, 2512, 2826, 2973, 3768, 3964, 4082, 5652, 5946, 6123, 7536, 7928, 8164, 8919, 11304, 11892, 12246, 12883, 15856, 16328, 17838, 18369, 22608, 23784, 24492, 25766, 32656, 35676, 36738, 38649, 47568, 48984, 51532, 71352, 73476, 77298, 97968, 103064, 115947, 142704, 146952, 154596, 155587, 206128, 231894, 293904, 309192, 311174, 463788, 466761, 618384, 622348, 927576, 933522, 1244696, 1400283, 1855152, 1867044, 2022631, 2489392, 2800566, 3734088, 4045262, 5601132, 6067893, 7468176, 8090524, 11202264, 12135786, 16181048, 18203679, 22404528, 24271572, 32362096, 36407358, 48543144, 72814716, 97086288, 145629432, 291258864]

約数ペア:

[(1, 291258864), (2, 145629432), (3, 97086288), (4, 72814716), (6, 48543144), (8, 36407358), (9, 32362096), (12, 24271572), (13, 22404528), (16, 18203679), (18, 16181048), (24, 12135786), (26, 11202264), (36, 8090524), (39, 7468176), (48, 6067893), (52, 5601132), (72, 4045262), (78, 3734088), (104, 2800566), (117, 2489392), (144, 2022631), (156, 1867044), (157, 1855152), (208, 1400283), (234, 1244696), (312, 933522), (314, 927576), (468, 622348), (471, 618384), (624, 466761), (628, 463788), (936, 311174), (942, 309192), (991, 293904), (1256, 231894), (1413, 206128), (1872, 155587), (1884, 154596), (1982, 146952), (2041, 142704), (2512, 115947), (2826, 103064), (2973, 97968), (3768, 77298), (3964, 73476), (4082, 71352), (5652, 51532), (5946, 48984), (6123, 47568), (7536, 38649), (7928, 36738), (8164, 35676), (8919, 32656), (11304, 25766), (11892, 24492), (12246, 23784), (12883, 22608), (15856, 18369), (16328, 17838)]