128376456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 359089920

約数和(自身を除く): 230713464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 169, 186, 248, 312, 338, 372, 403, 507, 676, 744, 806, 1014, 1021, 1209, 1352, 1612, 2028, 2042, 2418, 3063, 3224, 4056, 4084, 4836, 5239, 6126, 8168, 9672, 10478, 12252, 13273, 15717, 20956, 24504, 26546, 31434, 31651, 39819, 41912, 53092, 62868, 63302, 79638, 94953, 106184, 125736, 126604, 159276, 172549, 189906, 253208, 318552, 345098, 379812, 411463, 517647, 690196, 759624, 822926, 1035294, 1234389, 1380392, 1645852, 2070588, 2468778, 3291704, 4141176, 4937556, 5349019, 9875112, 10698038, 16047057, 21396076, 32094114, 42792152, 64188228, 128376456]

約数ペア:

[(1, 128376456), (2, 64188228), (3, 42792152), (4, 32094114), (6, 21396076), (8, 16047057), (12, 10698038), (13, 9875112), (24, 5349019), (26, 4937556), (31, 4141176), (39, 3291704), (52, 2468778), (62, 2070588), (78, 1645852), (93, 1380392), (104, 1234389), (124, 1035294), (156, 822926), (169, 759624), (186, 690196), (248, 517647), (312, 411463), (338, 379812), (372, 345098), (403, 318552), (507, 253208), (676, 189906), (744, 172549), (806, 159276), (1014, 126604), (1021, 125736), (1209, 106184), (1352, 94953), (1612, 79638), (2028, 63302), (2042, 62868), (2418, 53092), (3063, 41912), (3224, 39819), (4056, 31651), (4084, 31434), (4836, 26546), (5239, 24504), (6126, 20956), (8168, 15717), (9672, 13273), (10478, 12252)]