198567772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 388864000

約数和(自身を除く): 190296228

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 199, 398, 403, 619, 796, 806, 1238, 1612, 2476, 2587, 5174, 6169, 8047, 10348, 12338, 16094, 19189, 24676, 32188, 38378, 76756, 80197, 123181, 160394, 246362, 249457, 320788, 492724, 498914, 997828, 1601353, 3202706, 3818611, 6405412, 7637222, 15274444, 49641943, 99283886, 198567772]

約数ペア:

[(1, 198567772), (2, 99283886), (4, 49641943), (13, 15274444), (26, 7637222), (31, 6405412), (52, 3818611), (62, 3202706), (124, 1601353), (199, 997828), (398, 498914), (403, 492724), (619, 320788), (796, 249457), (806, 246362), (1238, 160394), (1612, 123181), (2476, 80197), (2587, 76756), (5174, 38378), (6169, 32188), (8047, 24676), (10348, 19189), (12338, 16094)]