1778679972

素因数分解:

$2^2\times 3^4\times {\mathrm{1997}}^1\times {\mathrm{2749}}^1$

素因数の和:4762

約数の個数: 60

約数和(自身を含む): 4653841500

約数和(自身を除く): 2875161528

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1997, 2749, 3994, 5498, 5991, 7988, 8247, 10996, 11982, 16494, 17973, 23964, 24741, 32988, 35946, 49482, 53919, 71892, 74223, 98964, 107838, 148446, 161757, 215676, 222669, 296892, 323514, 445338, 647028, 890676, 5489753, 10979506, 16469259, 21959012, 32938518, 49407777, 65877036, 98815554, 148223331, 197631108, 296446662, 444669993, 592893324, 889339986, 1778679972]

約数ペア:

[(1, 1778679972), (2, 889339986), (3, 592893324), (4, 444669993), (6, 296446662), (9, 197631108), (12, 148223331), (18, 98815554), (27, 65877036), (36, 49407777), (54, 32938518), (81, 21959012), (108, 16469259), (162, 10979506), (324, 5489753), (1997, 890676), (2749, 647028), (3994, 445338), (5498, 323514), (5991, 296892), (7988, 222669), (8247, 215676), (10996, 161757), (11982, 148446), (16494, 107838), (17973, 98964), (23964, 74223), (24741, 71892), (32988, 53919), (35946, 49482)]