31447888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 68567040

約数和(自身を除く): 37119152

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 47, 62, 71, 76, 94, 124, 142, 152, 188, 248, 284, 304, 376, 496, 568, 589, 752, 893, 1136, 1178, 1349, 1457, 1786, 2201, 2356, 2698, 2914, 3337, 3572, 4402, 4712, 5396, 5828, 6674, 7144, 8804, 9424, 10792, 11656, 13348, 14288, 17608, 21584, 23312, 26696, 27683, 35216, 41819, 53392, 55366, 63403, 83638, 103447, 110732, 126806, 167276, 206894, 221464, 253612, 334552, 413788, 442928, 507224, 669104, 827576, 1014448, 1655152, 1965493, 3930986, 7861972, 15723944, 31447888]

約数ペア:

[(1, 31447888), (2, 15723944), (4, 7861972), (8, 3930986), (16, 1965493), (19, 1655152), (31, 1014448), (38, 827576), (47, 669104), (62, 507224), (71, 442928), (76, 413788), (94, 334552), (124, 253612), (142, 221464), (152, 206894), (188, 167276), (248, 126806), (284, 110732), (304, 103447), (376, 83638), (496, 63403), (568, 55366), (589, 53392), (752, 41819), (893, 35216), (1136, 27683), (1178, 26696), (1349, 23312), (1457, 21584), (1786, 17608), (2201, 14288), (2356, 13348), (2698, 11656), (2914, 10792), (3337, 9424), (3572, 8804), (4402, 7144), (4712, 6674), (5396, 5828)]