31325696

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 68500080

約数和(自身を除く): 37174384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 61, 64, 68, 118, 122, 128, 136, 236, 244, 256, 272, 472, 488, 512, 544, 944, 976, 1003, 1037, 1088, 1888, 1952, 2006, 2074, 2176, 3599, 3776, 3904, 4012, 4148, 4352, 7198, 7552, 7808, 8024, 8296, 8704, 14396, 15104, 15616, 16048, 16592, 28792, 30208, 31232, 32096, 33184, 57584, 61183, 64192, 66368, 115168, 122366, 128384, 132736, 230336, 244732, 256768, 265472, 460672, 489464, 513536, 530944, 921344, 978928, 1842688, 1957856, 3915712, 7831424, 15662848, 31325696]

約数ペア:

[(1, 31325696), (2, 15662848), (4, 7831424), (8, 3915712), (16, 1957856), (17, 1842688), (32, 978928), (34, 921344), (59, 530944), (61, 513536), (64, 489464), (68, 460672), (118, 265472), (122, 256768), (128, 244732), (136, 230336), (236, 132736), (244, 128384), (256, 122366), (272, 115168), (472, 66368), (488, 64192), (512, 61183), (544, 57584), (944, 33184), (976, 32096), (1003, 31232), (1037, 30208), (1088, 28792), (1888, 16592), (1952, 16048), (2006, 15616), (2074, 15104), (2176, 14396), (3599, 8704), (3776, 8296), (3904, 8024), (4012, 7808), (4148, 7552), (4352, 7198)]