388804788

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1171}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 1028978496

約数和(自身を除く): 640173708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 401, 414, 802, 828, 1171, 1203, 1604, 2342, 2406, 3513, 3609, 4684, 4812, 7026, 7218, 9223, 10539, 14052, 14436, 18446, 21078, 26933, 27669, 36892, 42156, 53866, 55338, 80799, 83007, 107732, 110676, 161598, 166014, 242397, 323196, 332028, 469571, 484794, 939142, 969588, 1408713, 1878284, 2817426, 4226139, 5634852, 8452278, 10800133, 16904556, 21600266, 32400399, 43200532, 64800798, 97201197, 129601596, 194402394, 388804788]

約数ペア:

[(1, 388804788), (2, 194402394), (3, 129601596), (4, 97201197), (6, 64800798), (9, 43200532), (12, 32400399), (18, 21600266), (23, 16904556), (36, 10800133), (46, 8452278), (69, 5634852), (92, 4226139), (138, 2817426), (207, 1878284), (276, 1408713), (401, 969588), (414, 939142), (802, 484794), (828, 469571), (1171, 332028), (1203, 323196), (1604, 242397), (2342, 166014), (2406, 161598), (3513, 110676), (3609, 107732), (4684, 83007), (4812, 80799), (7026, 55338), (7218, 53866), (9223, 42156), (10539, 36892), (14052, 27669), (14436, 26933), (18446, 21078)]