897888244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 1829973600

約数和(自身を除く): 932085356

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 251, 389, 418, 484, 502, 778, 836, 1004, 1556, 2299, 2761, 4279, 4598, 4769, 5522, 7391, 8558, 9196, 9538, 11044, 14782, 17116, 19076, 29564, 30371, 47069, 52459, 60742, 81301, 94138, 97639, 104918, 121484, 162602, 188276, 195278, 209836, 325204, 390556, 577049, 894311, 1074029, 1154098, 1788622, 1855141, 2148058, 2308196, 3577244, 3710282, 4296116, 7420564, 11814319, 20406551, 23628638, 40813102, 47257276, 81626204, 224472061, 448944122, 897888244]

約数ペア:

[(1, 897888244), (2, 448944122), (4, 224472061), (11, 81626204), (19, 47257276), (22, 40813102), (38, 23628638), (44, 20406551), (76, 11814319), (121, 7420564), (209, 4296116), (242, 3710282), (251, 3577244), (389, 2308196), (418, 2148058), (484, 1855141), (502, 1788622), (778, 1154098), (836, 1074029), (1004, 894311), (1556, 577049), (2299, 390556), (2761, 325204), (4279, 209836), (4598, 195278), (4769, 188276), (5522, 162602), (7391, 121484), (8558, 104918), (9196, 97639), (9538, 94138), (11044, 81301), (14782, 60742), (17116, 52459), (19076, 47069), (29564, 30371)]