81263104

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 80

約数和(自身を含む): 181316520

約数和(自身を除く): 100053416

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 377, 416, 421, 464, 512, 754, 832, 842, 928, 1508, 1664, 1684, 1856, 3016, 3328, 3368, 3712, 5473, 6032, 6656, 6736, 7424, 10946, 12064, 12209, 13472, 14848, 21892, 24128, 24418, 26944, 43784, 48256, 48836, 53888, 87568, 96512, 97672, 107776, 158717, 175136, 193024, 195344, 215552, 317434, 350272, 390688, 634868, 700544, 781376, 1269736, 1401088, 1562752, 2539472, 2802176, 3125504, 5078944, 6251008, 10157888, 20315776, 40631552, 81263104]

約数ペア:

[(1, 81263104), (2, 40631552), (4, 20315776), (8, 10157888), (13, 6251008), (16, 5078944), (26, 3125504), (29, 2802176), (32, 2539472), (52, 1562752), (58, 1401088), (64, 1269736), (104, 781376), (116, 700544), (128, 634868), (208, 390688), (232, 350272), (256, 317434), (377, 215552), (416, 195344), (421, 193024), (464, 175136), (512, 158717), (754, 107776), (832, 97672), (842, 96512), (928, 87568), (1508, 53888), (1664, 48836), (1684, 48256), (1856, 43784), (3016, 26944), (3328, 24418), (3368, 24128), (3712, 21892), (5473, 14848), (6032, 13472), (6656, 12209), (6736, 12064), (7424, 10946)]