207421815864

素因数分解:

$2^3\times 3^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1\times {\mathrm{15887}}^1$

素因数の和:17380

約数の個数: 64

約数和(自身を含む): 520002800640

約数和(自身を除く): 312580984776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 661, 823, 1322, 1646, 1983, 2469, 2644, 3292, 3966, 4938, 5288, 6584, 7932, 9876, 15864, 15887, 19752, 31774, 47661, 63548, 95322, 127096, 190644, 381288, 544003, 1088006, 1632009, 2176012, 3264018, 4352024, 6528036, 10501307, 13056072, 13075001, 21002614, 26150002, 31503921, 39225003, 42005228, 52300004, 63007842, 78450006, 84010456, 104600008, 126015684, 156900012, 252031368, 313800024, 8642575661, 17285151322, 25927726983, 34570302644, 51855453966, 69140605288, 103710907932, 207421815864]

約数ペア:

[(1, 207421815864), (2, 103710907932), (3, 69140605288), (4, 51855453966), (6, 34570302644), (8, 25927726983), (12, 17285151322), (24, 8642575661), (661, 313800024), (823, 252031368), (1322, 156900012), (1646, 126015684), (1983, 104600008), (2469, 84010456), (2644, 78450006), (3292, 63007842), (3966, 52300004), (4938, 42005228), (5288, 39225003), (6584, 31503921), (7932, 26150002), (9876, 21002614), (15864, 13075001), (15887, 13056072), (19752, 10501307), (31774, 6528036), (47661, 4352024), (63548, 3264018), (95322, 2176012), (127096, 1632009), (190644, 1088006), (381288, 544003)]