261128784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{777169}}^1$

素因数の和:777187

約数の個数: 40

約数和(自身を含む): 770952640

約数和(自身を除く): 509823856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 777169, 1554338, 2331507, 3108676, 4663014, 5440183, 6217352, 9326028, 10880366, 12434704, 16320549, 18652056, 21760732, 32641098, 37304112, 43521464, 65282196, 87042928, 130564392, 261128784]

約数ペア:

[(1, 261128784), (2, 130564392), (3, 87042928), (4, 65282196), (6, 43521464), (7, 37304112), (8, 32641098), (12, 21760732), (14, 18652056), (16, 16320549), (21, 12434704), (24, 10880366), (28, 9326028), (42, 6217352), (48, 5440183), (56, 4663014), (84, 3108676), (112, 2331507), (168, 1554338), (336, 777169)]