128476416

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1427

約数の個数: 72

約数和(自身を含む): 344814624

約数和(自身を除く): 216338208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 524, 768, 786, 1048, 1277, 1572, 2096, 2554, 3144, 3831, 4192, 5108, 6288, 7662, 8384, 10216, 12576, 15324, 16768, 20432, 25152, 30648, 33536, 40864, 50304, 61296, 81728, 100608, 122592, 163456, 167287, 245184, 326912, 334574, 490368, 501861, 669148, 980736, 1003722, 1338296, 2007444, 2676592, 4014888, 5353184, 8029776, 10706368, 16059552, 21412736, 32119104, 42825472, 64238208, 128476416]

約数ペア:

[(1, 128476416), (2, 64238208), (3, 42825472), (4, 32119104), (6, 21412736), (8, 16059552), (12, 10706368), (16, 8029776), (24, 5353184), (32, 4014888), (48, 2676592), (64, 2007444), (96, 1338296), (128, 1003722), (131, 980736), (192, 669148), (256, 501861), (262, 490368), (384, 334574), (393, 326912), (524, 245184), (768, 167287), (786, 163456), (1048, 122592), (1277, 100608), (1572, 81728), (2096, 61296), (2554, 50304), (3144, 40864), (3831, 33536), (4192, 30648), (5108, 25152), (6288, 20432), (7662, 16768), (8384, 15324), (10216, 12576)]