78541904

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 192362688

約数和(自身を除く): 113820784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 71, 83, 98, 112, 119, 136, 142, 166, 196, 238, 272, 284, 332, 392, 476, 497, 568, 581, 664, 784, 833, 952, 994, 1136, 1162, 1207, 1328, 1411, 1666, 1904, 1988, 2324, 2414, 2822, 3332, 3479, 3976, 4067, 4648, 4828, 5644, 5893, 6664, 6958, 7952, 8134, 8449, 9296, 9656, 9877, 11288, 11786, 13328, 13916, 16268, 16898, 19312, 19754, 22576, 23572, 27832, 32536, 33796, 39508, 41251, 47144, 55664, 59143, 65072, 67592, 69139, 79016, 82502, 94288, 100181, 118286, 135184, 138278, 158032, 165004, 200362, 236572, 276556, 288757, 330008, 400724, 473144, 553112, 577514, 660016, 701267, 801448, 946288, 1106224, 1155028, 1402534, 1602896, 2310056, 2805068, 4620112, 4908869, 5610136, 9817738, 11220272, 19635476, 39270952, 78541904]

約数ペア:

[(1, 78541904), (2, 39270952), (4, 19635476), (7, 11220272), (8, 9817738), (14, 5610136), (16, 4908869), (17, 4620112), (28, 2805068), (34, 2310056), (49, 1602896), (56, 1402534), (68, 1155028), (71, 1106224), (83, 946288), (98, 801448), (112, 701267), (119, 660016), (136, 577514), (142, 553112), (166, 473144), (196, 400724), (238, 330008), (272, 288757), (284, 276556), (332, 236572), (392, 200362), (476, 165004), (497, 158032), (568, 138278), (581, 135184), (664, 118286), (784, 100181), (833, 94288), (952, 82502), (994, 79016), (1136, 69139), (1162, 67592), (1207, 65072), (1328, 59143), (1411, 55664), (1666, 47144), (1904, 41251), (1988, 39508), (2324, 33796), (2414, 32536), (2822, 27832), (3332, 23572), (3479, 22576), (3976, 19754), (4067, 19312), (4648, 16898), (4828, 16268), (5644, 13916), (5893, 13328), (6664, 11786), (6958, 11288), (7952, 9877), (8134, 9656), (8449, 9296)]