31991856

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 89827584

約数和(自身を除く): 57835728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 167, 208, 307, 312, 334, 501, 614, 624, 668, 921, 1002, 1228, 1336, 1842, 2004, 2171, 2456, 2672, 3684, 3991, 4008, 4342, 4912, 6513, 7368, 7982, 8016, 8684, 11973, 13026, 14736, 15964, 17368, 23946, 26052, 31928, 34736, 47892, 51269, 52104, 63856, 95784, 102538, 104208, 153807, 191568, 205076, 307614, 410152, 615228, 666497, 820304, 1230456, 1332994, 1999491, 2460912, 2665988, 3998982, 5331976, 7997964, 10663952, 15995928, 31991856]

約数ペア:

[(1, 31991856), (2, 15995928), (3, 10663952), (4, 7997964), (6, 5331976), (8, 3998982), (12, 2665988), (13, 2460912), (16, 1999491), (24, 1332994), (26, 1230456), (39, 820304), (48, 666497), (52, 615228), (78, 410152), (104, 307614), (156, 205076), (167, 191568), (208, 153807), (307, 104208), (312, 102538), (334, 95784), (501, 63856), (614, 52104), (624, 51269), (668, 47892), (921, 34736), (1002, 31928), (1228, 26052), (1336, 23946), (1842, 17368), (2004, 15964), (2171, 14736), (2456, 13026), (2672, 11973), (3684, 8684), (3991, 8016), (4008, 7982), (4342, 7368), (4912, 6513)]