291247264

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 761261760

約数和(自身を除く): 470014496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 272, 289, 308, 352, 374, 409, 476, 544, 578, 616, 748, 818, 952, 1156, 1232, 1309, 1496, 1636, 1904, 2023, 2312, 2464, 2618, 2863, 2992, 3179, 3272, 3808, 4046, 4499, 4624, 5236, 5726, 5984, 6358, 6544, 6953, 8092, 8998, 9248, 10472, 11452, 12716, 13088, 13906, 16184, 17996, 20944, 22253, 22904, 25432, 27812, 31493, 32368, 35992, 41888, 44506, 45808, 48671, 50864, 55624, 62986, 64736, 71984, 76483, 89012, 91616, 97342, 101728, 111248, 118201, 125972, 143968, 152966, 178024, 194684, 222496, 236402, 251944, 305932, 356048, 389368, 472804, 503888, 535381, 611864, 712096, 778736, 827407, 945608, 1007776, 1070762, 1223728, 1300211, 1557472, 1654814, 1891216, 2141524, 2447456, 2600422, 3309628, 3782432, 4283048, 5200844, 6619256, 8566096, 9101477, 10401688, 13238512, 17132192, 18202954, 20803376, 26477024, 36405908, 41606752, 72811816, 145623632, 291247264]

約数ペア:

[(1, 291247264), (2, 145623632), (4, 72811816), (7, 41606752), (8, 36405908), (11, 26477024), (14, 20803376), (16, 18202954), (17, 17132192), (22, 13238512), (28, 10401688), (32, 9101477), (34, 8566096), (44, 6619256), (56, 5200844), (68, 4283048), (77, 3782432), (88, 3309628), (112, 2600422), (119, 2447456), (136, 2141524), (154, 1891216), (176, 1654814), (187, 1557472), (224, 1300211), (238, 1223728), (272, 1070762), (289, 1007776), (308, 945608), (352, 827407), (374, 778736), (409, 712096), (476, 611864), (544, 535381), (578, 503888), (616, 472804), (748, 389368), (818, 356048), (952, 305932), (1156, 251944), (1232, 236402), (1309, 222496), (1496, 194684), (1636, 178024), (1904, 152966), (2023, 143968), (2312, 125972), (2464, 118201), (2618, 111248), (2863, 101728), (2992, 97342), (3179, 91616), (3272, 89012), (3808, 76483), (4046, 71984), (4499, 64736), (4624, 62986), (5236, 55624), (5726, 50864), (5984, 48671), (6358, 45808), (6544, 44506), (6953, 41888), (8092, 35992), (8998, 32368), (9248, 31493), (10472, 27812), (11452, 25432), (12716, 22904), (13088, 22253), (13906, 20944), (16184, 17996)]