991312

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 2249856

約数和(自身を除く): 1258544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 167, 212, 334, 371, 424, 668, 742, 848, 1169, 1336, 1484, 2338, 2672, 2968, 4676, 5936, 8851, 9352, 17702, 18704, 35404, 61957, 70808, 123914, 141616, 247828, 495656, 991312]

約数ペア:

[(1, 991312), (2, 495656), (4, 247828), (7, 141616), (8, 123914), (14, 70808), (16, 61957), (28, 35404), (53, 18704), (56, 17702), (106, 9352), (112, 8851), (167, 5936), (212, 4676), (334, 2968), (371, 2672), (424, 2338), (668, 1484), (742, 1336), (848, 1169)]