64624648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 134710380

約数和(自身を除く): 70085732

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 484, 661, 808, 968, 1111, 1322, 2222, 2644, 4444, 5288, 7271, 8888, 12221, 14542, 24442, 29084, 48884, 58168, 66761, 79981, 97768, 133522, 159962, 267044, 319924, 534088, 639848, 734371, 1468742, 2937484, 5874968, 8078081, 16156162, 32312324, 64624648]

約数ペア:

[(1, 64624648), (2, 32312324), (4, 16156162), (8, 8078081), (11, 5874968), (22, 2937484), (44, 1468742), (88, 734371), (101, 639848), (121, 534088), (202, 319924), (242, 267044), (404, 159962), (484, 133522), (661, 97768), (808, 79981), (968, 66761), (1111, 58168), (1322, 48884), (2222, 29084), (2644, 24442), (4444, 14542), (5288, 12221), (7271, 8888)]