678685390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{65447}}^1$

素因数の和:65532

約数の個数: 32

約数和(自身を含む): 1314719424

約数和(自身を除く): 636034034

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 65447, 130894, 327235, 654470, 1112599, 2225198, 3992267, 5562995, 7984534, 11125990, 19961335, 39922670, 67868539, 135737078, 339342695, 678685390]

約数ペア:

[(1, 678685390), (2, 339342695), (5, 135737078), (10, 67868539), (17, 39922670), (34, 19961335), (61, 11125990), (85, 7984534), (122, 5562995), (170, 3992267), (305, 2225198), (610, 1112599), (1037, 654470), (2074, 327235), (5185, 130894), (10370, 65447)]