217147788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42181}}^1$

素因数の和:42215

約数の個数: 72

約数和(自身を含む): 644878416

約数和(自身を除く): 427730628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 42181, 84362, 126543, 168724, 253086, 379629, 463991, 506172, 548353, 759258, 927982, 1096706, 1391973, 1518516, 1645059, 1855964, 2193412, 2783946, 3290118, 4175919, 4935177, 5567892, 6031883, 6580236, 8351838, 9870354, 12063766, 16703676, 18095649, 19740708, 24127532, 36191298, 54286947, 72382596, 108573894, 217147788]

約数ペア:

[(1, 217147788), (2, 108573894), (3, 72382596), (4, 54286947), (6, 36191298), (9, 24127532), (11, 19740708), (12, 18095649), (13, 16703676), (18, 12063766), (22, 9870354), (26, 8351838), (33, 6580236), (36, 6031883), (39, 5567892), (44, 4935177), (52, 4175919), (66, 3290118), (78, 2783946), (99, 2193412), (117, 1855964), (132, 1645059), (143, 1518516), (156, 1391973), (198, 1096706), (234, 927982), (286, 759258), (396, 548353), (429, 506172), (468, 463991), (572, 379629), (858, 253086), (1287, 168724), (1716, 126543), (2574, 84362), (5148, 42181)]