81802448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3004

約数の個数: 80

約数和(自身を含む): 205403520

約数和(自身を除く): 123601072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 2957, 3458, 3952, 5914, 6916, 11828, 13832, 20699, 23656, 27664, 38441, 41398, 47312, 56183, 76882, 82796, 112366, 153764, 165592, 224732, 269087, 307528, 331184, 393281, 449464, 538174, 615056, 730379, 786562, 898928, 1076348, 1460758, 1573124, 2152696, 2921516, 3146248, 4305392, 5112653, 5843032, 6292496, 10225306, 11686064, 20450612, 40901224, 81802448]

約数ペア:

[(1, 81802448), (2, 40901224), (4, 20450612), (7, 11686064), (8, 10225306), (13, 6292496), (14, 5843032), (16, 5112653), (19, 4305392), (26, 3146248), (28, 2921516), (38, 2152696), (52, 1573124), (56, 1460758), (76, 1076348), (91, 898928), (104, 786562), (112, 730379), (133, 615056), (152, 538174), (182, 449464), (208, 393281), (247, 331184), (266, 307528), (304, 269087), (364, 224732), (494, 165592), (532, 153764), (728, 112366), (988, 82796), (1064, 76882), (1456, 56183), (1729, 47312), (1976, 41398), (2128, 38441), (2957, 27664), (3458, 23656), (3952, 20699), (5914, 13832), (6916, 11828)]