291220374116

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1\times {\mathrm{159871}}^1$

素因数の和:160920

約数の個数: 48

約数和(自身を含む): 591746383872

約数和(自身を除く): 300526009756

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 971, 1876, 1942, 3884, 6797, 13594, 27188, 65057, 130114, 159871, 260228, 319742, 455399, 639484, 910798, 1119097, 1821596, 2238194, 4476388, 10711357, 21422714, 42845428, 74979499, 149958998, 155234741, 299917996, 310469482, 620938964, 1086643187, 2173286374, 4346572748, 10400727647, 20801455294, 41602910588, 72805093529, 145610187058, 291220374116]

約数ペア:

[(1, 291220374116), (2, 145610187058), (4, 72805093529), (7, 41602910588), (14, 20801455294), (28, 10400727647), (67, 4346572748), (134, 2173286374), (268, 1086643187), (469, 620938964), (938, 310469482), (971, 299917996), (1876, 155234741), (1942, 149958998), (3884, 74979499), (6797, 42845428), (13594, 21422714), (27188, 10711357), (65057, 4476388), (130114, 2238194), (159871, 1821596), (260228, 1119097), (319742, 910798), (455399, 639484)]