291775484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72871}}^1$

素因数の和:72906

約数の個数: 48

約数和(自身を含む): 685579776

約数和(自身を除く): 393804292

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 72871, 145742, 291484, 510097, 801581, 947323, 1020194, 1603162, 1894646, 2040388, 3206324, 3789292, 5611067, 6631261, 10420553, 11222134, 13262522, 20841106, 22444268, 26525044, 41682212, 72943871, 145887742, 291775484]

約数ペア:

[(1, 291775484), (2, 145887742), (4, 72943871), (7, 41682212), (11, 26525044), (13, 22444268), (14, 20841106), (22, 13262522), (26, 11222134), (28, 10420553), (44, 6631261), (52, 5611067), (77, 3789292), (91, 3206324), (143, 2040388), (154, 1894646), (182, 1603162), (286, 1020194), (308, 947323), (364, 801581), (572, 510097), (1001, 291484), (2002, 145742), (4004, 72871)]