217804964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 429298800

約数和(自身を除く): 211493836

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 97, 116, 194, 377, 388, 754, 1261, 1489, 1508, 2522, 2813, 2978, 5044, 5626, 5956, 11252, 19357, 36569, 38714, 43181, 73138, 77428, 86362, 144433, 146276, 172724, 288866, 561353, 577732, 1122706, 1877629, 2245412, 3755258, 4188557, 7510516, 8377114, 16754228, 54451241, 108902482, 217804964]

約数ペア:

[(1, 217804964), (2, 108902482), (4, 54451241), (13, 16754228), (26, 8377114), (29, 7510516), (52, 4188557), (58, 3755258), (97, 2245412), (116, 1877629), (194, 1122706), (377, 577732), (388, 561353), (754, 288866), (1261, 172724), (1489, 146276), (1508, 144433), (2522, 86362), (2813, 77428), (2978, 73138), (5044, 43181), (5626, 38714), (5956, 36569), (11252, 19357)]