81995664

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 218236032

約数和(自身を除く): 136240368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 167, 193, 212, 318, 334, 386, 424, 501, 579, 636, 668, 772, 848, 1002, 1158, 1272, 1336, 1544, 2004, 2316, 2544, 2672, 3088, 4008, 4632, 8016, 8851, 9264, 10229, 17702, 20458, 26553, 30687, 32231, 35404, 40916, 53106, 61374, 64462, 70808, 81832, 96693, 106212, 122748, 128924, 141616, 163664, 193386, 212424, 245496, 257848, 386772, 424848, 490992, 515696, 773544, 1547088, 1708243, 3416486, 5124729, 6832972, 10249458, 13665944, 20498916, 27331888, 40997832, 81995664]

約数ペア:

[(1, 81995664), (2, 40997832), (3, 27331888), (4, 20498916), (6, 13665944), (8, 10249458), (12, 6832972), (16, 5124729), (24, 3416486), (48, 1708243), (53, 1547088), (106, 773544), (159, 515696), (167, 490992), (193, 424848), (212, 386772), (318, 257848), (334, 245496), (386, 212424), (424, 193386), (501, 163664), (579, 141616), (636, 128924), (668, 122748), (772, 106212), (848, 96693), (1002, 81832), (1158, 70808), (1272, 64462), (1336, 61374), (1544, 53106), (2004, 40916), (2316, 35404), (2544, 32231), (2672, 30687), (3088, 26553), (4008, 20458), (4632, 17702), (8016, 10229), (8851, 9264)]