1645392204

素因数分解:

$2^2\times 3^4\times {\mathrm{1997}}^1\times {\mathrm{2543}}^1$

素因数の和:4556

約数の個数: 60

約数和(自身を含む): 4305226464

約数和(自身を除く): 2659834260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1997, 2543, 3994, 5086, 5991, 7629, 7988, 10172, 11982, 15258, 17973, 22887, 23964, 30516, 35946, 45774, 53919, 68661, 71892, 91548, 107838, 137322, 161757, 205983, 215676, 274644, 323514, 411966, 647028, 823932, 5078371, 10156742, 15235113, 20313484, 30470226, 45705339, 60940452, 91410678, 137116017, 182821356, 274232034, 411348051, 548464068, 822696102, 1645392204]

約数ペア:

[(1, 1645392204), (2, 822696102), (3, 548464068), (4, 411348051), (6, 274232034), (9, 182821356), (12, 137116017), (18, 91410678), (27, 60940452), (36, 45705339), (54, 30470226), (81, 20313484), (108, 15235113), (162, 10156742), (324, 5078371), (1997, 823932), (2543, 647028), (3994, 411966), (5086, 323514), (5991, 274644), (7629, 215676), (7988, 205983), (10172, 161757), (11982, 137322), (15258, 107838), (17973, 91548), (22887, 71892), (23964, 68661), (30516, 53919), (35946, 45774)]