1287942726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{154097}}^1$

素因数の和:154308

約数の個数: 32

約数和(自身を含む): 2958681600

約数和(自身を除く): 1670738874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2786, 4179, 8358, 154097, 308194, 462291, 924582, 1078679, 2157358, 3236037, 6472074, 30665303, 61330606, 91995909, 183991818, 214657121, 429314242, 643971363, 1287942726]

約数ペア:

[(1, 1287942726), (2, 643971363), (3, 429314242), (6, 214657121), (7, 183991818), (14, 91995909), (21, 61330606), (42, 30665303), (199, 6472074), (398, 3236037), (597, 2157358), (1194, 1078679), (1393, 924582), (2786, 462291), (4179, 308194), (8358, 154097)]