31990336

素因数分解:

$2^6\times 7^2\times {\mathrm{101}}^2$

素因数の和:228

約数の個数: 63

約数和(自身を含む): 74583417

約数和(自身を除く): 42593081

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 101, 112, 196, 202, 224, 392, 404, 448, 707, 784, 808, 1414, 1568, 1616, 2828, 3136, 3232, 4949, 5656, 6464, 9898, 10201, 11312, 19796, 20402, 22624, 39592, 40804, 45248, 71407, 79184, 81608, 142814, 158368, 163216, 285628, 316736, 326432, 499849, 571256, 652864, 999698, 1142512, 1999396, 2285024, 3998792, 4570048, 7997584, 15995168, 31990336]

約数ペア:

[(1, 31990336), (2, 15995168), (4, 7997584), (7, 4570048), (8, 3998792), (14, 2285024), (16, 1999396), (28, 1142512), (32, 999698), (49, 652864), (56, 571256), (64, 499849), (98, 326432), (101, 316736), (112, 285628), (196, 163216), (202, 158368), (224, 142814), (392, 81608), (404, 79184), (448, 71407), (707, 45248), (784, 40804), (808, 39592), (1414, 22624), (1568, 20402), (1616, 19796), (2828, 11312), (3136, 10201), (3232, 9898), (4949, 6464)]