1640185855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{1543}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 2483937792

約数和(自身を除く): 843751937

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 251, 385, 605, 847, 1255, 1543, 1757, 2761, 4235, 7715, 8785, 10801, 13805, 16973, 19327, 30371, 54005, 84865, 96635, 118811, 151855, 186703, 212597, 387293, 594055, 933515, 1062985, 1306921, 1936465, 2711051, 4260223, 6534605, 13555255, 21301115, 29821561, 46862453, 149107805, 234312265, 328037171, 1640185855]

約数ペア:

[(1, 1640185855), (5, 328037171), (7, 234312265), (11, 149107805), (35, 46862453), (55, 29821561), (77, 21301115), (121, 13555255), (251, 6534605), (385, 4260223), (605, 2711051), (847, 1936465), (1255, 1306921), (1543, 1062985), (1757, 933515), (2761, 594055), (4235, 387293), (7715, 212597), (8785, 186703), (10801, 151855), (13805, 118811), (16973, 96635), (19327, 84865), (30371, 54005)]