289493428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{659}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 600969600

約数和(自身を除く): 311476172

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 541, 659, 812, 1082, 1318, 2164, 2636, 3787, 4613, 7574, 9226, 15148, 15689, 18452, 19111, 31378, 38222, 62756, 76444, 109823, 133777, 219646, 267554, 356519, 439292, 535108, 713038, 1426076, 2495633, 4991266, 9982532, 10339051, 20678102, 41356204, 72373357, 144746714, 289493428]

約数ペア:

[(1, 289493428), (2, 144746714), (4, 72373357), (7, 41356204), (14, 20678102), (28, 10339051), (29, 9982532), (58, 4991266), (116, 2495633), (203, 1426076), (406, 713038), (541, 535108), (659, 439292), (812, 356519), (1082, 267554), (1318, 219646), (2164, 133777), (2636, 109823), (3787, 76444), (4613, 62756), (7574, 38222), (9226, 31378), (15148, 19111), (15689, 18452)]