31309568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 67819920

約数和(自身を除く): 36510352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 157, 164, 256, 304, 314, 328, 608, 628, 656, 779, 1216, 1256, 1312, 1558, 2432, 2512, 2624, 2983, 3116, 4864, 5024, 5248, 5966, 6232, 6437, 10048, 10496, 11932, 12464, 12874, 20096, 23864, 24928, 25748, 40192, 47728, 49856, 51496, 95456, 99712, 102992, 122303, 190912, 199424, 205984, 244606, 381824, 411968, 489212, 763648, 823936, 978424, 1647872, 1956848, 3913696, 7827392, 15654784, 31309568]

約数ペア:

[(1, 31309568), (2, 15654784), (4, 7827392), (8, 3913696), (16, 1956848), (19, 1647872), (32, 978424), (38, 823936), (41, 763648), (64, 489212), (76, 411968), (82, 381824), (128, 244606), (152, 205984), (157, 199424), (164, 190912), (256, 122303), (304, 102992), (314, 99712), (328, 95456), (608, 51496), (628, 49856), (656, 47728), (779, 40192), (1216, 25748), (1256, 24928), (1312, 23864), (1558, 20096), (2432, 12874), (2512, 12464), (2624, 11932), (2983, 10496), (3116, 10048), (4864, 6437), (5024, 6232), (5248, 5966)]