405381812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1283}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 797271552

約数和(自身を除く): 391889740

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 167, 172, 334, 473, 668, 946, 1283, 1837, 1892, 2566, 3674, 5132, 7181, 7348, 14113, 14362, 28226, 28724, 55169, 56452, 78991, 110338, 157982, 214261, 220676, 315964, 428522, 606859, 857044, 1213718, 2356871, 2427436, 4713742, 9213223, 9427484, 18426446, 36852892, 101345453, 202690906, 405381812]

約数ペア:

[(1, 405381812), (2, 202690906), (4, 101345453), (11, 36852892), (22, 18426446), (43, 9427484), (44, 9213223), (86, 4713742), (167, 2427436), (172, 2356871), (334, 1213718), (473, 857044), (668, 606859), (946, 428522), (1283, 315964), (1837, 220676), (1892, 214261), (2566, 157982), (3674, 110338), (5132, 78991), (7181, 56452), (7348, 55169), (14113, 28724), (14362, 28226)]