642392168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1301}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 1364912640

約数和(自身を除く): 722520472

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 181, 248, 341, 362, 682, 724, 1301, 1364, 1448, 1991, 2602, 2728, 3982, 5204, 5611, 7964, 10408, 11222, 14311, 15928, 22444, 28622, 40331, 44888, 57244, 61721, 80662, 114488, 123442, 161324, 235481, 246884, 322648, 443641, 470962, 493768, 887282, 941924, 1774564, 1883848, 2590291, 3549128, 5180582, 7299911, 10361164, 14599822, 20722328, 29199644, 58399288, 80299021, 160598042, 321196084, 642392168]

約数ペア:

[(1, 642392168), (2, 321196084), (4, 160598042), (8, 80299021), (11, 58399288), (22, 29199644), (31, 20722328), (44, 14599822), (62, 10361164), (88, 7299911), (124, 5180582), (181, 3549128), (248, 2590291), (341, 1883848), (362, 1774564), (682, 941924), (724, 887282), (1301, 493768), (1364, 470962), (1448, 443641), (1991, 322648), (2602, 246884), (2728, 235481), (3982, 161324), (5204, 123442), (5611, 114488), (7964, 80662), (10408, 61721), (11222, 57244), (14311, 44888), (15928, 40331), (22444, 28622)]