208643328

素因数分解:

$2^8\times 3^2\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 108

約数和(自身を含む): 606877908

約数和(自身を除く): 398234580

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 137, 144, 192, 256, 274, 288, 384, 411, 548, 576, 661, 768, 822, 1096, 1152, 1233, 1322, 1644, 1983, 2192, 2304, 2466, 2644, 3288, 3966, 4384, 4932, 5288, 5949, 6576, 7932, 8768, 9864, 10576, 11898, 13152, 15864, 17536, 19728, 21152, 23796, 26304, 31728, 35072, 39456, 42304, 47592, 52608, 63456, 78912, 84608, 90557, 95184, 105216, 126912, 157824, 169216, 181114, 190368, 253824, 271671, 315648, 362228, 380736, 507648, 543342, 724456, 761472, 815013, 1086684, 1448912, 1522944, 1630026, 2173368, 2897824, 3260052, 4346736, 5795648, 6520104, 8693472, 11591296, 13040208, 17386944, 23182592, 26080416, 34773888, 52160832, 69547776, 104321664, 208643328]

約数ペア:

[(1, 208643328), (2, 104321664), (3, 69547776), (4, 52160832), (6, 34773888), (8, 26080416), (9, 23182592), (12, 17386944), (16, 13040208), (18, 11591296), (24, 8693472), (32, 6520104), (36, 5795648), (48, 4346736), (64, 3260052), (72, 2897824), (96, 2173368), (128, 1630026), (137, 1522944), (144, 1448912), (192, 1086684), (256, 815013), (274, 761472), (288, 724456), (384, 543342), (411, 507648), (548, 380736), (576, 362228), (661, 315648), (768, 271671), (822, 253824), (1096, 190368), (1152, 181114), (1233, 169216), (1322, 157824), (1644, 126912), (1983, 105216), (2192, 95184), (2304, 90557), (2466, 84608), (2644, 78912), (3288, 63456), (3966, 52608), (4384, 47592), (4932, 42304), (5288, 39456), (5949, 35072), (6576, 31728), (7932, 26304), (8768, 23796), (9864, 21152), (10576, 19728), (11898, 17536), (13152, 15864)]