321987232

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 781257960

約数和(自身を除く): 459270728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 73, 97, 98, 112, 116, 146, 194, 196, 203, 224, 232, 292, 388, 392, 406, 464, 511, 584, 679, 776, 784, 812, 928, 1022, 1168, 1358, 1421, 1552, 1568, 1624, 2044, 2117, 2336, 2716, 2813, 2842, 3104, 3248, 3577, 4088, 4234, 4753, 5432, 5626, 5684, 6496, 7081, 7154, 8176, 8468, 9506, 10864, 11252, 11368, 14162, 14308, 14819, 16352, 16936, 19012, 19691, 21728, 22504, 22736, 28324, 28616, 29638, 33872, 38024, 39382, 45008, 45472, 49567, 56648, 57232, 59276, 67744, 76048, 78764, 90016, 99134, 103733, 113296, 114464, 118552, 137837, 152096, 157528, 198268, 205349, 207466, 226592, 237104, 275674, 315056, 346969, 396536, 410698, 414932, 474208, 551348, 630112, 693938, 793072, 821396, 829864, 1102696, 1387876, 1437443, 1586144, 1642792, 1659728, 2205392, 2775752, 2874886, 3285584, 3319456, 4410784, 5551504, 5749772, 6571168, 10062101, 11103008, 11499544, 20124202, 22999088, 40248404, 45998176, 80496808, 160993616, 321987232]

約数ペア:

[(1, 321987232), (2, 160993616), (4, 80496808), (7, 45998176), (8, 40248404), (14, 22999088), (16, 20124202), (28, 11499544), (29, 11103008), (32, 10062101), (49, 6571168), (56, 5749772), (58, 5551504), (73, 4410784), (97, 3319456), (98, 3285584), (112, 2874886), (116, 2775752), (146, 2205392), (194, 1659728), (196, 1642792), (203, 1586144), (224, 1437443), (232, 1387876), (292, 1102696), (388, 829864), (392, 821396), (406, 793072), (464, 693938), (511, 630112), (584, 551348), (679, 474208), (776, 414932), (784, 410698), (812, 396536), (928, 346969), (1022, 315056), (1168, 275674), (1358, 237104), (1421, 226592), (1552, 207466), (1568, 205349), (1624, 198268), (2044, 157528), (2117, 152096), (2336, 137837), (2716, 118552), (2813, 114464), (2842, 113296), (3104, 103733), (3248, 99134), (3577, 90016), (4088, 78764), (4234, 76048), (4753, 67744), (5432, 59276), (5626, 57232), (5684, 56648), (6496, 49567), (7081, 45472), (7154, 45008), (8176, 39382), (8468, 38024), (9506, 33872), (10864, 29638), (11252, 28616), (11368, 28324), (14162, 22736), (14308, 22504), (14819, 21728), (16352, 19691), (16936, 19012)]