198261986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 326645760

約数和(自身を除く): 128383774

約数列:

[1, 2, 13, 26, 97, 127, 194, 254, 619, 1238, 1261, 1651, 2522, 3302, 8047, 12319, 16094, 24638, 60043, 78613, 120086, 157226, 160147, 320294, 780559, 1021969, 1561118, 2043938, 7625461, 15250922, 99130993, 198261986]

約数ペア:

[(1, 198261986), (2, 99130993), (13, 15250922), (26, 7625461), (97, 2043938), (127, 1561118), (194, 1021969), (254, 780559), (619, 320294), (1238, 160147), (1261, 157226), (1651, 120086), (2522, 78613), (3302, 60043), (8047, 24638), (12319, 16094)]