991323704

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 2335394880

約数和(自身を除く): 1344071176

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 49, 56, 58, 62, 97, 98, 116, 124, 194, 196, 203, 217, 232, 248, 388, 392, 406, 434, 679, 776, 812, 841, 868, 899, 1358, 1421, 1519, 1624, 1682, 1736, 1798, 2716, 2813, 2842, 3007, 3038, 3364, 3596, 4753, 5432, 5626, 5684, 5887, 6014, 6076, 6293, 6728, 7192, 9506, 11252, 11368, 11774, 12028, 12152, 12586, 19012, 19691, 21049, 22504, 23548, 24056, 25172, 26071, 38024, 39382, 41209, 42098, 44051, 47096, 50344, 52142, 78764, 81577, 82418, 84196, 87203, 88102, 104284, 137837, 147343, 157528, 163154, 164836, 168392, 174406, 176204, 182497, 208568, 275674, 294686, 326308, 329672, 348812, 352408, 364994, 551348, 571039, 589372, 610421, 652616, 697624, 729988, 1102696, 1142078, 1178744, 1220842, 1277479, 1459976, 2284156, 2441684, 2528887, 2554958, 3997273, 4272947, 4568312, 4883368, 5057774, 5109916, 7994546, 8545894, 10115548, 10219832, 15989092, 17091788, 17702209, 20231096, 31978184, 34183576, 35404418, 70808836, 123915463, 141617672, 247830926, 495661852, 991323704]

約数ペア:

[(1, 991323704), (2, 495661852), (4, 247830926), (7, 141617672), (8, 123915463), (14, 70808836), (28, 35404418), (29, 34183576), (31, 31978184), (49, 20231096), (56, 17702209), (58, 17091788), (62, 15989092), (97, 10219832), (98, 10115548), (116, 8545894), (124, 7994546), (194, 5109916), (196, 5057774), (203, 4883368), (217, 4568312), (232, 4272947), (248, 3997273), (388, 2554958), (392, 2528887), (406, 2441684), (434, 2284156), (679, 1459976), (776, 1277479), (812, 1220842), (841, 1178744), (868, 1142078), (899, 1102696), (1358, 729988), (1421, 697624), (1519, 652616), (1624, 610421), (1682, 589372), (1736, 571039), (1798, 551348), (2716, 364994), (2813, 352408), (2842, 348812), (3007, 329672), (3038, 326308), (3364, 294686), (3596, 275674), (4753, 208568), (5432, 182497), (5626, 176204), (5684, 174406), (5887, 168392), (6014, 164836), (6076, 163154), (6293, 157528), (6728, 147343), (7192, 137837), (9506, 104284), (11252, 88102), (11368, 87203), (11774, 84196), (12028, 82418), (12152, 81577), (12586, 78764), (19012, 52142), (19691, 50344), (21049, 47096), (22504, 44051), (23548, 42098), (24056, 41209), (25172, 39382), (26071, 38024)]