208229728

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 489259008

約数和(自身を除く): 281029280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 157, 191, 217, 224, 248, 314, 382, 434, 496, 628, 764, 868, 992, 1099, 1256, 1337, 1528, 1736, 2198, 2512, 2674, 3056, 3472, 4396, 4867, 5024, 5348, 5921, 6112, 6944, 8792, 9734, 10696, 11842, 17584, 19468, 21392, 23684, 29987, 34069, 35168, 38936, 41447, 42784, 47368, 59974, 68138, 77872, 82894, 94736, 119948, 136276, 155744, 165788, 189472, 209909, 239896, 272552, 331576, 419818, 479792, 545104, 663152, 839636, 929597, 959584, 1090208, 1326304, 1679272, 1859194, 3358544, 3718388, 6507179, 6717088, 7436776, 13014358, 14873552, 26028716, 29747104, 52057432, 104114864, 208229728]

約数ペア:

[(1, 208229728), (2, 104114864), (4, 52057432), (7, 29747104), (8, 26028716), (14, 14873552), (16, 13014358), (28, 7436776), (31, 6717088), (32, 6507179), (56, 3718388), (62, 3358544), (112, 1859194), (124, 1679272), (157, 1326304), (191, 1090208), (217, 959584), (224, 929597), (248, 839636), (314, 663152), (382, 545104), (434, 479792), (496, 419818), (628, 331576), (764, 272552), (868, 239896), (992, 209909), (1099, 189472), (1256, 165788), (1337, 155744), (1528, 136276), (1736, 119948), (2198, 94736), (2512, 82894), (2674, 77872), (3056, 68138), (3472, 59974), (4396, 47368), (4867, 42784), (5024, 41447), (5348, 38936), (5921, 35168), (6112, 34069), (6944, 29987), (8792, 23684), (9734, 21392), (10696, 19468), (11842, 17584)]