28785152

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 66290400

約数和(自身を除く): 37505248

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 269, 304, 352, 418, 512, 538, 608, 704, 836, 1076, 1216, 1408, 1672, 2152, 2432, 2816, 2959, 3344, 4304, 4864, 5111, 5632, 5918, 6688, 8608, 9728, 10222, 11836, 13376, 17216, 20444, 23672, 26752, 34432, 40888, 47344, 53504, 56221, 68864, 81776, 94688, 107008, 112442, 137728, 163552, 189376, 224884, 327104, 378752, 449768, 654208, 757504, 899536, 1308416, 1515008, 1799072, 2616832, 3598144, 7196288, 14392576, 28785152]

約数ペア:

[(1, 28785152), (2, 14392576), (4, 7196288), (8, 3598144), (11, 2616832), (16, 1799072), (19, 1515008), (22, 1308416), (32, 899536), (38, 757504), (44, 654208), (64, 449768), (76, 378752), (88, 327104), (128, 224884), (152, 189376), (176, 163552), (209, 137728), (256, 112442), (269, 107008), (304, 94688), (352, 81776), (418, 68864), (512, 56221), (538, 53504), (608, 47344), (704, 40888), (836, 34432), (1076, 26752), (1216, 23672), (1408, 20444), (1672, 17216), (2152, 13376), (2432, 11836), (2816, 10222), (2959, 9728), (3344, 8608), (4304, 6688), (4864, 5918), (5111, 5632)]