128111456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 296110080

約数和(自身を除く): 167998624

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 79, 88, 136, 158, 176, 187, 271, 272, 316, 352, 374, 542, 544, 632, 748, 869, 1084, 1264, 1343, 1496, 1738, 2168, 2528, 2686, 2981, 2992, 3476, 4336, 4607, 5372, 5962, 5984, 6952, 8672, 9214, 10744, 11924, 13904, 14773, 18428, 21409, 21488, 23848, 27808, 29546, 36856, 42818, 42976, 47696, 50677, 59092, 73712, 85636, 95392, 101354, 118184, 147424, 171272, 202708, 235499, 236368, 342544, 363953, 405416, 470998, 472736, 685088, 727906, 810832, 941996, 1455812, 1621664, 1883992, 2911624, 3767984, 4003483, 5823248, 7535968, 8006966, 11646496, 16013932, 32027864, 64055728, 128111456]

約数ペア:

[(1, 128111456), (2, 64055728), (4, 32027864), (8, 16013932), (11, 11646496), (16, 8006966), (17, 7535968), (22, 5823248), (32, 4003483), (34, 3767984), (44, 2911624), (68, 1883992), (79, 1621664), (88, 1455812), (136, 941996), (158, 810832), (176, 727906), (187, 685088), (271, 472736), (272, 470998), (316, 405416), (352, 363953), (374, 342544), (542, 236368), (544, 235499), (632, 202708), (748, 171272), (869, 147424), (1084, 118184), (1264, 101354), (1343, 95392), (1496, 85636), (1738, 73712), (2168, 59092), (2528, 50677), (2686, 47696), (2981, 42976), (2992, 42818), (3476, 36856), (4336, 29546), (4607, 27808), (5372, 23848), (5962, 21488), (5984, 21409), (6952, 18428), (8672, 14773), (9214, 13904), (10744, 11924)]