221762008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2996

約数の個数: 64

約数和(自身を含む): 485321760

約数和(自身を除く): 263559752

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 221, 344, 442, 559, 731, 884, 1118, 1462, 1768, 2236, 2917, 2924, 4472, 5834, 5848, 9503, 11668, 19006, 23336, 37921, 38012, 49589, 75842, 76024, 99178, 125431, 151684, 198356, 250862, 303368, 396712, 501724, 644657, 1003448, 1289314, 1630603, 2132327, 2578628, 3261206, 4264654, 5157256, 6522412, 8529308, 13044824, 17058616, 27720251, 55440502, 110881004, 221762008]

約数ペア:

[(1, 221762008), (2, 110881004), (4, 55440502), (8, 27720251), (13, 17058616), (17, 13044824), (26, 8529308), (34, 6522412), (43, 5157256), (52, 4264654), (68, 3261206), (86, 2578628), (104, 2132327), (136, 1630603), (172, 1289314), (221, 1003448), (344, 644657), (442, 501724), (559, 396712), (731, 303368), (884, 250862), (1118, 198356), (1462, 151684), (1768, 125431), (2236, 99178), (2917, 76024), (2924, 75842), (4472, 49589), (5834, 38012), (5848, 37921), (9503, 23336), (11668, 19006)]