81258368

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 173502000

約数和(自身を除く): 92243632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 107, 128, 136, 214, 272, 349, 428, 544, 698, 856, 1088, 1396, 1712, 1819, 2176, 2792, 3424, 3638, 5584, 5933, 6848, 7276, 11168, 11866, 13696, 14552, 22336, 23732, 29104, 37343, 44672, 47464, 58208, 74686, 94928, 116416, 149372, 189856, 232832, 298744, 379712, 597488, 634831, 759424, 1194976, 1269662, 2389952, 2539324, 4779904, 5078648, 10157296, 20314592, 40629184, 81258368]

約数ペア:

[(1, 81258368), (2, 40629184), (4, 20314592), (8, 10157296), (16, 5078648), (17, 4779904), (32, 2539324), (34, 2389952), (64, 1269662), (68, 1194976), (107, 759424), (128, 634831), (136, 597488), (214, 379712), (272, 298744), (349, 232832), (428, 189856), (544, 149372), (698, 116416), (856, 94928), (1088, 74686), (1396, 58208), (1712, 47464), (1819, 44672), (2176, 37343), (2792, 29104), (3424, 23732), (3638, 22336), (5584, 14552), (5933, 13696), (6848, 11866), (7276, 11168)]