399011328

素因数分解:

$2^9\times 3^2\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 120

約数和(自身を含む): 1162119816

約数和(自身を除く): 763108488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 131, 144, 192, 256, 262, 288, 384, 393, 512, 524, 576, 661, 768, 786, 1048, 1152, 1179, 1322, 1536, 1572, 1983, 2096, 2304, 2358, 2644, 3144, 3966, 4192, 4608, 4716, 5288, 5949, 6288, 7932, 8384, 9432, 10576, 11898, 12576, 15864, 16768, 18864, 21152, 23796, 25152, 31728, 33536, 37728, 42304, 47592, 50304, 63456, 67072, 75456, 84608, 86591, 95184, 100608, 126912, 150912, 169216, 173182, 190368, 201216, 253824, 259773, 301824, 338432, 346364, 380736, 507648, 519546, 603648, 692728, 761472, 779319, 1015296, 1039092, 1385456, 1522944, 1558638, 2078184, 2770912, 3045888, 3117276, 4156368, 5541824, 6234552, 8312736, 11083648, 12469104, 16625472, 22167296, 24938208, 33250944, 44334592, 49876416, 66501888, 99752832, 133003776, 199505664, 399011328]

約数ペア:

[(1, 399011328), (2, 199505664), (3, 133003776), (4, 99752832), (6, 66501888), (8, 49876416), (9, 44334592), (12, 33250944), (16, 24938208), (18, 22167296), (24, 16625472), (32, 12469104), (36, 11083648), (48, 8312736), (64, 6234552), (72, 5541824), (96, 4156368), (128, 3117276), (131, 3045888), (144, 2770912), (192, 2078184), (256, 1558638), (262, 1522944), (288, 1385456), (384, 1039092), (393, 1015296), (512, 779319), (524, 761472), (576, 692728), (661, 603648), (768, 519546), (786, 507648), (1048, 380736), (1152, 346364), (1179, 338432), (1322, 301824), (1536, 259773), (1572, 253824), (1983, 201216), (2096, 190368), (2304, 173182), (2358, 169216), (2644, 150912), (3144, 126912), (3966, 100608), (4192, 95184), (4608, 86591), (4716, 84608), (5288, 75456), (5949, 67072), (6288, 63456), (7932, 50304), (8384, 47592), (9432, 42304), (10576, 37728), (11898, 33536), (12576, 31728), (15864, 25152), (16768, 23796), (18864, 21152)]