291234786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 64

約数和(自身を含む): 658741248

約数和(自身を除く): 367506462

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 258, 391, 731, 782, 989, 1173, 1462, 1978, 2193, 2346, 2887, 2967, 4386, 5774, 5934, 8661, 16813, 17322, 33626, 49079, 50439, 66401, 98158, 100878, 124141, 132802, 147237, 199203, 248282, 294474, 372423, 398406, 744846, 1128817, 2110397, 2257634, 2855243, 3386451, 4220794, 5710486, 6331191, 6772902, 8565729, 12662382, 17131458, 48539131, 97078262, 145617393, 291234786]

約数ペア:

[(1, 291234786), (2, 145617393), (3, 97078262), (6, 48539131), (17, 17131458), (23, 12662382), (34, 8565729), (43, 6772902), (46, 6331191), (51, 5710486), (69, 4220794), (86, 3386451), (102, 2855243), (129, 2257634), (138, 2110397), (258, 1128817), (391, 744846), (731, 398406), (782, 372423), (989, 294474), (1173, 248282), (1462, 199203), (1978, 147237), (2193, 132802), (2346, 124141), (2887, 100878), (2967, 98158), (4386, 66401), (5774, 50439), (5934, 49079), (8661, 33626), (16813, 17322)]