39961908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 116031552

約数和(自身を除く): 76069644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 347, 457, 694, 914, 1041, 1371, 1388, 1828, 2082, 2429, 2742, 3123, 3199, 4113, 4164, 4858, 5484, 6246, 6398, 7287, 8226, 9597, 9716, 12492, 12796, 14574, 16452, 19194, 21861, 28791, 29148, 38388, 43722, 57582, 87444, 115164, 158579, 317158, 475737, 634316, 951474, 1110053, 1427211, 1902948, 2220106, 2854422, 3330159, 4440212, 5708844, 6660318, 9990477, 13320636, 19980954, 39961908]

約数ペア:

[(1, 39961908), (2, 19980954), (3, 13320636), (4, 9990477), (6, 6660318), (7, 5708844), (9, 4440212), (12, 3330159), (14, 2854422), (18, 2220106), (21, 1902948), (28, 1427211), (36, 1110053), (42, 951474), (63, 634316), (84, 475737), (126, 317158), (252, 158579), (347, 115164), (457, 87444), (694, 57582), (914, 43722), (1041, 38388), (1371, 29148), (1388, 28791), (1828, 21861), (2082, 19194), (2429, 16452), (2742, 14574), (3123, 12796), (3199, 12492), (4113, 9716), (4164, 9597), (4858, 8226), (5484, 7287), (6246, 6398)]