659981484

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2129}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 1705704000

約数和(自身を除く): 1045722516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 109, 158, 218, 237, 316, 327, 436, 474, 654, 711, 948, 981, 1308, 1422, 1962, 2129, 2844, 3924, 4258, 6387, 8516, 8611, 12774, 17222, 19161, 25548, 25833, 34444, 38322, 51666, 76644, 77499, 103332, 154998, 168191, 232061, 309996, 336382, 464122, 504573, 672764, 696183, 928244, 1009146, 1392366, 1513719, 2018292, 2088549, 2784732, 3027438, 4177098, 6054876, 8354196, 18332819, 36665638, 54998457, 73331276, 109996914, 164995371, 219993828, 329990742, 659981484]

約数ペア:

[(1, 659981484), (2, 329990742), (3, 219993828), (4, 164995371), (6, 109996914), (9, 73331276), (12, 54998457), (18, 36665638), (36, 18332819), (79, 8354196), (109, 6054876), (158, 4177098), (218, 3027438), (237, 2784732), (316, 2088549), (327, 2018292), (436, 1513719), (474, 1392366), (654, 1009146), (711, 928244), (948, 696183), (981, 672764), (1308, 504573), (1422, 464122), (1962, 336382), (2129, 309996), (2844, 232061), (3924, 168191), (4258, 154998), (6387, 103332), (8516, 77499), (8611, 76644), (12774, 51666), (17222, 38322), (19161, 34444), (25548, 25833)]