1915628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 4191264

約数和(自身を除く): 2275636

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 197, 221, 286, 374, 394, 442, 572, 748, 788, 884, 2167, 2431, 2561, 3349, 4334, 4862, 5122, 6698, 8668, 9724, 10244, 13396, 28171, 36839, 43537, 56342, 73678, 87074, 112684, 147356, 174148, 478907, 957814, 1915628]

約数ペア:

[(1, 1915628), (2, 957814), (4, 478907), (11, 174148), (13, 147356), (17, 112684), (22, 87074), (26, 73678), (34, 56342), (44, 43537), (52, 36839), (68, 28171), (143, 13396), (187, 10244), (197, 9724), (221, 8668), (286, 6698), (374, 5122), (394, 4862), (442, 4334), (572, 3349), (748, 2561), (788, 2431), (884, 2167)]