161977088

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 422372160

約数和(自身を除く): 260395072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 256, 272, 364, 409, 416, 442, 448, 476, 544, 728, 818, 832, 884, 896, 952, 1088, 1456, 1547, 1636, 1664, 1768, 1792, 1904, 2176, 2863, 2912, 3094, 3272, 3328, 3536, 3808, 4352, 5317, 5726, 5824, 6188, 6544, 6953, 7072, 7616, 10634, 11452, 11648, 12376, 13088, 13906, 14144, 15232, 21268, 22904, 23296, 24752, 26176, 27812, 28288, 30464, 37219, 42536, 45808, 48671, 49504, 52352, 55624, 56576, 74438, 85072, 90389, 91616, 97342, 99008, 104704, 111248, 148876, 170144, 180778, 183232, 194684, 198016, 222496, 297752, 340288, 361556, 366464, 389368, 396032, 444992, 595504, 632723, 680576, 723112, 732928, 778736, 889984, 1191008, 1265446, 1361152, 1446224, 1557472, 1779968, 2382016, 2530892, 2892448, 3114944, 4764032, 5061784, 5784896, 6229888, 9528064, 10123568, 11569792, 12459776, 20247136, 23139584, 40494272, 80988544, 161977088]

約数ペア:

[(1, 161977088), (2, 80988544), (4, 40494272), (7, 23139584), (8, 20247136), (13, 12459776), (14, 11569792), (16, 10123568), (17, 9528064), (26, 6229888), (28, 5784896), (32, 5061784), (34, 4764032), (52, 3114944), (56, 2892448), (64, 2530892), (68, 2382016), (91, 1779968), (104, 1557472), (112, 1446224), (119, 1361152), (128, 1265446), (136, 1191008), (182, 889984), (208, 778736), (221, 732928), (224, 723112), (238, 680576), (256, 632723), (272, 595504), (364, 444992), (409, 396032), (416, 389368), (442, 366464), (448, 361556), (476, 340288), (544, 297752), (728, 222496), (818, 198016), (832, 194684), (884, 183232), (896, 180778), (952, 170144), (1088, 148876), (1456, 111248), (1547, 104704), (1636, 99008), (1664, 97342), (1768, 91616), (1792, 90389), (1904, 85072), (2176, 74438), (2863, 56576), (2912, 55624), (3094, 52352), (3272, 49504), (3328, 48671), (3536, 45808), (3808, 42536), (4352, 37219), (5317, 30464), (5726, 28288), (5824, 27812), (6188, 26176), (6544, 24752), (6953, 23296), (7072, 22904), (7616, 21268), (10634, 15232), (11452, 14144), (11648, 13906), (12376, 13088)]