161720208

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86389}}^1$

素因数の和:86416

約数の個数: 60

約数和(自身を含む): 487412380

約数和(自身を除く): 325692172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 86389, 172778, 259167, 345556, 518334, 691112, 777501, 1036668, 1123057, 1382224, 1555002, 2073336, 2246114, 3110004, 3369171, 4146672, 4492228, 6220008, 6738342, 8984456, 10107513, 12440016, 13476684, 17968912, 20215026, 26953368, 40430052, 53906736, 80860104, 161720208]

約数ペア:

[(1, 161720208), (2, 80860104), (3, 53906736), (4, 40430052), (6, 26953368), (8, 20215026), (9, 17968912), (12, 13476684), (13, 12440016), (16, 10107513), (18, 8984456), (24, 6738342), (26, 6220008), (36, 4492228), (39, 4146672), (48, 3369171), (52, 3110004), (72, 2246114), (78, 2073336), (104, 1555002), (117, 1382224), (144, 1123057), (156, 1036668), (208, 777501), (234, 691112), (312, 518334), (468, 345556), (624, 259167), (936, 172778), (1872, 86389)]