1289788148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{727}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 2509922688

約数和(自身を除く): 1220134540

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 661, 671, 727, 1322, 1342, 1454, 2644, 2684, 2908, 7271, 7997, 14542, 15994, 29084, 31988, 40321, 44347, 80642, 88694, 161284, 177388, 443531, 480547, 487817, 887062, 961094, 975634, 1774124, 1922188, 1951268, 5286017, 10572034, 21144068, 29313367, 58626734, 117253468, 322447037, 644894074, 1289788148]

約数ペア:

[(1, 1289788148), (2, 644894074), (4, 322447037), (11, 117253468), (22, 58626734), (44, 29313367), (61, 21144068), (122, 10572034), (244, 5286017), (661, 1951268), (671, 1922188), (727, 1774124), (1322, 975634), (1342, 961094), (1454, 887062), (2644, 487817), (2684, 480547), (2908, 443531), (7271, 177388), (7997, 161284), (14542, 88694), (15994, 80642), (29084, 44347), (31988, 40321)]