257335232

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 112

約数和(自身を含む): 645688320

約数和(自身を除く): 388353088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 79, 88, 112, 154, 158, 176, 224, 308, 316, 352, 448, 553, 616, 632, 661, 704, 869, 1106, 1232, 1264, 1322, 1738, 2212, 2464, 2528, 2644, 3476, 4424, 4627, 4928, 5056, 5288, 6083, 6952, 7271, 8848, 9254, 10576, 12166, 13904, 14542, 17696, 18508, 21152, 24332, 27808, 29084, 35392, 37016, 42304, 48664, 50897, 52219, 55616, 58168, 74032, 97328, 101794, 104438, 116336, 148064, 194656, 203588, 208876, 232672, 296128, 365533, 389312, 407176, 417752, 465344, 574409, 731066, 814352, 835504, 1148818, 1462132, 1628704, 1671008, 2297636, 2924264, 3257408, 3342016, 4020863, 4595272, 5848528, 8041726, 9190544, 11697056, 16083452, 18381088, 23394112, 32166904, 36762176, 64333808, 128667616, 257335232]

約数ペア:

[(1, 257335232), (2, 128667616), (4, 64333808), (7, 36762176), (8, 32166904), (11, 23394112), (14, 18381088), (16, 16083452), (22, 11697056), (28, 9190544), (32, 8041726), (44, 5848528), (56, 4595272), (64, 4020863), (77, 3342016), (79, 3257408), (88, 2924264), (112, 2297636), (154, 1671008), (158, 1628704), (176, 1462132), (224, 1148818), (308, 835504), (316, 814352), (352, 731066), (448, 574409), (553, 465344), (616, 417752), (632, 407176), (661, 389312), (704, 365533), (869, 296128), (1106, 232672), (1232, 208876), (1264, 203588), (1322, 194656), (1738, 148064), (2212, 116336), (2464, 104438), (2528, 101794), (2644, 97328), (3476, 74032), (4424, 58168), (4627, 55616), (4928, 52219), (5056, 50897), (5288, 48664), (6083, 42304), (6952, 37016), (7271, 35392), (8848, 29084), (9254, 27808), (10576, 24332), (12166, 21152), (13904, 18508), (14542, 17696)]