81800992

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4050

約数の個数: 72

約数和(自身を含む): 201799836

約数和(自身を除く): 119998844

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 4013, 5096, 8026, 10192, 16052, 20384, 28091, 32104, 52169, 56182, 64208, 104338, 112364, 128416, 196637, 208676, 224728, 365183, 393274, 417352, 449456, 730366, 786548, 834704, 898912, 1460732, 1573096, 1669408, 2556281, 2921464, 3146192, 5112562, 5842928, 6292384, 10225124, 11685856, 20450248, 40900496, 81800992]

約数ペア:

[(1, 81800992), (2, 40900496), (4, 20450248), (7, 11685856), (8, 10225124), (13, 6292384), (14, 5842928), (16, 5112562), (26, 3146192), (28, 2921464), (32, 2556281), (49, 1669408), (52, 1573096), (56, 1460732), (91, 898912), (98, 834704), (104, 786548), (112, 730366), (182, 449456), (196, 417352), (208, 393274), (224, 365183), (364, 224728), (392, 208676), (416, 196637), (637, 128416), (728, 112364), (784, 104338), (1274, 64208), (1456, 56182), (1568, 52169), (2548, 32104), (2912, 28091), (4013, 20384), (5096, 16052), (8026, 10192)]