201914895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2872

約数の個数: 64

約数和(自身を含む): 405264384

約数和(自身を除く): 203349489

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 455, 689, 795, 1113, 1365, 1855, 2067, 2791, 3445, 4823, 5565, 8373, 10335, 13955, 14469, 19537, 24115, 36283, 41865, 58611, 72345, 97685, 108849, 147923, 181415, 253981, 293055, 443769, 544245, 739615, 761943, 1035461, 1269905, 1922999, 2218845, 3106383, 3809715, 5177305, 5768997, 9614995, 13460993, 15531915, 28844985, 40382979, 67304965, 201914895]

約数ペア:

[(1, 201914895), (3, 67304965), (5, 40382979), (7, 28844985), (13, 15531915), (15, 13460993), (21, 9614995), (35, 5768997), (39, 5177305), (53, 3809715), (65, 3106383), (91, 2218845), (105, 1922999), (159, 1269905), (195, 1035461), (265, 761943), (273, 739615), (371, 544245), (455, 443769), (689, 293055), (795, 253981), (1113, 181415), (1365, 147923), (1855, 108849), (2067, 97685), (2791, 72345), (3445, 58611), (4823, 41865), (5565, 36283), (8373, 24115), (10335, 19537), (13955, 14469)]