388377808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1884

約数の個数: 80

約数和(自身を含む): 932579200

約数和(自身を除く): 544201392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 157, 182, 208, 314, 364, 628, 728, 1099, 1256, 1456, 1699, 2041, 2198, 2512, 3398, 4082, 4396, 6796, 8164, 8792, 11893, 13592, 14287, 16328, 17584, 22087, 23786, 27184, 28574, 32656, 44174, 47572, 57148, 88348, 95144, 114296, 154609, 176696, 190288, 228592, 266743, 309218, 353392, 533486, 618436, 1066972, 1236872, 1867201, 2133944, 2473744, 3467659, 3734402, 4267888, 6935318, 7468804, 13870636, 14937608, 24273613, 27741272, 29875216, 48547226, 55482544, 97094452, 194188904, 388377808]

約数ペア:

[(1, 388377808), (2, 194188904), (4, 97094452), (7, 55482544), (8, 48547226), (13, 29875216), (14, 27741272), (16, 24273613), (26, 14937608), (28, 13870636), (52, 7468804), (56, 6935318), (91, 4267888), (104, 3734402), (112, 3467659), (157, 2473744), (182, 2133944), (208, 1867201), (314, 1236872), (364, 1066972), (628, 618436), (728, 533486), (1099, 353392), (1256, 309218), (1456, 266743), (1699, 228592), (2041, 190288), (2198, 176696), (2512, 154609), (3398, 114296), (4082, 95144), (4396, 88348), (6796, 57148), (8164, 47572), (8792, 44174), (11893, 32656), (13592, 28574), (14287, 27184), (16328, 23786), (17584, 22087)]