25881344

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 57763440

約数和(自身を除く): 31882096

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 313, 323, 544, 608, 626, 646, 1088, 1216, 1252, 1292, 2176, 2432, 2504, 2584, 4352, 4864, 5008, 5168, 5321, 5947, 10016, 10336, 10642, 11894, 20032, 20672, 21284, 23788, 40064, 41344, 42568, 47576, 80128, 82688, 85136, 95152, 101099, 170272, 190304, 202198, 340544, 380608, 404396, 681088, 761216, 808792, 1362176, 1522432, 1617584, 3235168, 6470336, 12940672, 25881344]

約数ペア:

[(1, 25881344), (2, 12940672), (4, 6470336), (8, 3235168), (16, 1617584), (17, 1522432), (19, 1362176), (32, 808792), (34, 761216), (38, 681088), (64, 404396), (68, 380608), (76, 340544), (128, 202198), (136, 190304), (152, 170272), (256, 101099), (272, 95152), (304, 85136), (313, 82688), (323, 80128), (544, 47576), (608, 42568), (626, 41344), (646, 40064), (1088, 23788), (1216, 21284), (1252, 20672), (1292, 20032), (2176, 11894), (2432, 10642), (2504, 10336), (2584, 10016), (4352, 5947), (4864, 5321), (5008, 5168)]