81147584

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5843}}^1$

素因数の和:5893

約数の個数: 56

約数和(自身を含む): 190000128

約数和(自身を除く): 108852544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5843, 6944, 11686, 13888, 23372, 40901, 46744, 81802, 93488, 163604, 181133, 186976, 327208, 362266, 373952, 654416, 724532, 1267931, 1308832, 1449064, 2535862, 2617664, 2898128, 5071724, 5796256, 10143448, 11592512, 20286896, 40573792, 81147584]

約数ペア:

[(1, 81147584), (2, 40573792), (4, 20286896), (7, 11592512), (8, 10143448), (14, 5796256), (16, 5071724), (28, 2898128), (31, 2617664), (32, 2535862), (56, 1449064), (62, 1308832), (64, 1267931), (112, 724532), (124, 654416), (217, 373952), (224, 362266), (248, 327208), (434, 186976), (448, 181133), (496, 163604), (868, 93488), (992, 81802), (1736, 46744), (1984, 40901), (3472, 23372), (5843, 13888), (6944, 11686)]