1991984112

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{26249}}^1$

素因数の和:26311

約数の個数: 120

約数和(自身を含む): 6093360000

約数和(自身を除く): 4101375888

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, 4216, 4464, 4743, 6324, 8432, 9486, 12648, 18972, 25296, 26249, 37944, 52498, 75888, 78747, 104996, 157494, 209992, 236241, 314988, 419984, 446233, 472482, 629976, 813719, 892466, 944964, 1259952, 1338699, 1627438, 1784932, 1889928, 2441157, 2677398, 3254876, 3569864, 3779856, 4016097, 4882314, 5354796, 6509752, 7139728, 7323471, 8032194, 9764628, 10709592, 13019504, 13833223, 14646942, 16064388, 19529256, 21419184, 27666446, 29293884, 32128776, 39058512, 41499669, 55332892, 58587768, 64257552, 82999338, 110665784, 117175536, 124499007, 165998676, 221331568, 248998014, 331997352, 497996028, 663994704, 995992056, 1991984112]

約数ペア:

[(1, 1991984112), (2, 995992056), (3, 663994704), (4, 497996028), (6, 331997352), (8, 248998014), (9, 221331568), (12, 165998676), (16, 124499007), (17, 117175536), (18, 110665784), (24, 82999338), (31, 64257552), (34, 58587768), (36, 55332892), (48, 41499669), (51, 39058512), (62, 32128776), (68, 29293884), (72, 27666446), (93, 21419184), (102, 19529256), (124, 16064388), (136, 14646942), (144, 13833223), (153, 13019504), (186, 10709592), (204, 9764628), (248, 8032194), (272, 7323471), (279, 7139728), (306, 6509752), (372, 5354796), (408, 4882314), (496, 4016097), (527, 3779856), (558, 3569864), (612, 3254876), (744, 2677398), (816, 2441157), (1054, 1889928), (1116, 1784932), (1224, 1627438), (1488, 1338699), (1581, 1259952), (2108, 944964), (2232, 892466), (2448, 813719), (3162, 629976), (4216, 472482), (4464, 446233), (4743, 419984), (6324, 314988), (8432, 236241), (9486, 209992), (12648, 157494), (18972, 104996), (25296, 78747), (26249, 75888), (37944, 52498)]