257336208

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3453

約数の個数: 120

約数和(自身を含む): 787378176

約数和(自身を除く): 530041968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 272, 279, 306, 372, 408, 496, 527, 558, 612, 744, 816, 1054, 1116, 1224, 1488, 1581, 2108, 2232, 2448, 3162, 3391, 4216, 4464, 4743, 6324, 6782, 8432, 9486, 10173, 12648, 13564, 18972, 20346, 25296, 27128, 30519, 37944, 40692, 54256, 57647, 61038, 75888, 81384, 105121, 115294, 122076, 162768, 172941, 210242, 230588, 244152, 315363, 345882, 420484, 461176, 488304, 518823, 630726, 691764, 840968, 922352, 946089, 1037646, 1261452, 1383528, 1681936, 1787057, 1892178, 2075292, 2522904, 2767056, 3574114, 3784356, 4150584, 5045808, 5361171, 7148228, 7568712, 8301168, 10722342, 14296456, 15137424, 16083513, 21444684, 28592912, 32167026, 42889368, 64334052, 85778736, 128668104, 257336208]

約数ペア:

[(1, 257336208), (2, 128668104), (3, 85778736), (4, 64334052), (6, 42889368), (8, 32167026), (9, 28592912), (12, 21444684), (16, 16083513), (17, 15137424), (18, 14296456), (24, 10722342), (31, 8301168), (34, 7568712), (36, 7148228), (48, 5361171), (51, 5045808), (62, 4150584), (68, 3784356), (72, 3574114), (93, 2767056), (102, 2522904), (124, 2075292), (136, 1892178), (144, 1787057), (153, 1681936), (186, 1383528), (204, 1261452), (248, 1037646), (272, 946089), (279, 922352), (306, 840968), (372, 691764), (408, 630726), (496, 518823), (527, 488304), (558, 461176), (612, 420484), (744, 345882), (816, 315363), (1054, 244152), (1116, 230588), (1224, 210242), (1488, 172941), (1581, 162768), (2108, 122076), (2232, 115294), (2448, 105121), (3162, 81384), (3391, 75888), (4216, 61038), (4464, 57647), (4743, 54256), (6324, 40692), (6782, 37944), (8432, 30519), (9486, 27128), (10173, 25296), (12648, 20346), (13564, 18972)]