398756176

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{21067}}^1$

素因数の和:21108

約数の個数: 60

約数和(自身を含む): 956150112

約数和(自身を除く): 557393936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 21067, 42134, 84268, 147469, 168536, 273871, 294938, 337072, 547742, 589876, 1095484, 1179752, 1917097, 2190968, 2359504, 3560323, 3834194, 4381936, 7120646, 7668388, 14241292, 15336776, 24922261, 28482584, 30673552, 49844522, 56965168, 99689044, 199378088, 398756176]

約数ペア:

[(1, 398756176), (2, 199378088), (4, 99689044), (7, 56965168), (8, 49844522), (13, 30673552), (14, 28482584), (16, 24922261), (26, 15336776), (28, 14241292), (52, 7668388), (56, 7120646), (91, 4381936), (104, 3834194), (112, 3560323), (169, 2359504), (182, 2190968), (208, 1917097), (338, 1179752), (364, 1095484), (676, 589876), (728, 547742), (1183, 337072), (1352, 294938), (1456, 273871), (2366, 168536), (2704, 147469), (4732, 84268), (9464, 42134), (18928, 21067)]