988097656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{25609}}^1$

素因数の和:25688

約数の個数: 64

約数和(自身を含む): 2323339200

約数和(自身を除く): 1335241544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 1378, 1484, 2756, 2968, 4823, 5512, 9646, 19292, 25609, 38584, 51218, 102436, 179263, 204872, 332917, 358526, 665834, 717052, 1331668, 1357277, 1434104, 2330419, 2663336, 2714554, 4660838, 5429108, 9321676, 9500939, 10858216, 17644601, 18643352, 19001878, 35289202, 38003756, 70578404, 76007512, 123512207, 141156808, 247024414, 494048828, 988097656]

約数ペア:

[(1, 988097656), (2, 494048828), (4, 247024414), (7, 141156808), (8, 123512207), (13, 76007512), (14, 70578404), (26, 38003756), (28, 35289202), (52, 19001878), (53, 18643352), (56, 17644601), (91, 10858216), (104, 9500939), (106, 9321676), (182, 5429108), (212, 4660838), (364, 2714554), (371, 2663336), (424, 2330419), (689, 1434104), (728, 1357277), (742, 1331668), (1378, 717052), (1484, 665834), (2756, 358526), (2968, 332917), (4823, 204872), (5512, 179263), (9646, 102436), (19292, 51218), (25609, 38584)]