31457008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 73209600

約数和(自身を除く): 41752592

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 176, 184, 209, 253, 304, 368, 409, 418, 437, 506, 818, 836, 874, 1012, 1636, 1672, 1748, 2024, 3272, 3344, 3496, 4048, 4499, 4807, 6544, 6992, 7771, 8998, 9407, 9614, 15542, 17996, 18814, 19228, 31084, 35992, 37628, 38456, 62168, 71984, 75256, 76912, 85481, 103477, 124336, 150512, 170962, 178733, 206954, 341924, 357466, 413908, 683848, 714932, 827816, 1367696, 1429864, 1655632, 1966063, 2859728, 3932126, 7864252, 15728504, 31457008]

約数ペア:

[(1, 31457008), (2, 15728504), (4, 7864252), (8, 3932126), (11, 2859728), (16, 1966063), (19, 1655632), (22, 1429864), (23, 1367696), (38, 827816), (44, 714932), (46, 683848), (76, 413908), (88, 357466), (92, 341924), (152, 206954), (176, 178733), (184, 170962), (209, 150512), (253, 124336), (304, 103477), (368, 85481), (409, 76912), (418, 75256), (437, 71984), (506, 62168), (818, 38456), (836, 37628), (874, 35992), (1012, 31084), (1636, 19228), (1672, 18814), (1748, 17996), (2024, 15542), (3272, 9614), (3344, 9407), (3496, 8998), (4048, 7771), (4499, 6992), (4807, 6544)]