217555572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 561971200

約数和(自身を除く): 344415628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 127, 139, 156, 158, 237, 254, 278, 316, 381, 417, 474, 508, 556, 762, 834, 948, 1027, 1524, 1651, 1668, 1807, 2054, 3081, 3302, 3614, 4108, 4953, 5421, 6162, 6604, 7228, 9906, 10033, 10842, 10981, 12324, 17653, 19812, 20066, 21684, 21962, 30099, 32943, 35306, 40132, 43924, 52959, 60198, 65886, 70612, 105918, 120396, 130429, 131772, 142753, 211836, 229489, 260858, 285506, 391287, 428259, 458978, 521716, 571012, 688467, 782574, 856518, 917956, 1376934, 1394587, 1565148, 1713036, 2753868, 2789174, 4183761, 5578348, 8367522, 16735044, 18129631, 36259262, 54388893, 72518524, 108777786, 217555572]

約数ペア:

[(1, 217555572), (2, 108777786), (3, 72518524), (4, 54388893), (6, 36259262), (12, 18129631), (13, 16735044), (26, 8367522), (39, 5578348), (52, 4183761), (78, 2789174), (79, 2753868), (127, 1713036), (139, 1565148), (156, 1394587), (158, 1376934), (237, 917956), (254, 856518), (278, 782574), (316, 688467), (381, 571012), (417, 521716), (474, 458978), (508, 428259), (556, 391287), (762, 285506), (834, 260858), (948, 229489), (1027, 211836), (1524, 142753), (1651, 131772), (1668, 130429), (1807, 120396), (2054, 105918), (3081, 70612), (3302, 65886), (3614, 60198), (4108, 52959), (4953, 43924), (5421, 40132), (6162, 35306), (6604, 32943), (7228, 30099), (9906, 21962), (10033, 21684), (10842, 20066), (10981, 19812), (12324, 17653)]