641169828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{12569}}^1$

素因数の和:12701

約数の個数: 72

約数和(自身を含む): 1761559800

約数和(自身を除く): 1120389972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 654, 981, 1308, 1417, 1962, 2834, 3924, 4251, 5668, 8502, 12569, 12753, 17004, 25138, 25506, 37707, 50276, 51012, 75414, 113121, 150828, 163397, 226242, 326794, 452484, 490191, 653588, 980382, 1370021, 1470573, 1960764, 2740042, 2941146, 4110063, 5480084, 5882292, 8220126, 12330189, 16440252, 17810273, 24660378, 35620546, 49320756, 53430819, 71241092, 106861638, 160292457, 213723276, 320584914, 641169828]

約数ペア:

[(1, 641169828), (2, 320584914), (3, 213723276), (4, 160292457), (6, 106861638), (9, 71241092), (12, 53430819), (13, 49320756), (18, 35620546), (26, 24660378), (36, 17810273), (39, 16440252), (52, 12330189), (78, 8220126), (109, 5882292), (117, 5480084), (156, 4110063), (218, 2941146), (234, 2740042), (327, 1960764), (436, 1470573), (468, 1370021), (654, 980382), (981, 653588), (1308, 490191), (1417, 452484), (1962, 326794), (2834, 226242), (3924, 163397), (4251, 150828), (5668, 113121), (8502, 75414), (12569, 51012), (12753, 50276), (17004, 37707), (25138, 25506)]