161151122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 282439872

約数和(自身を除く): 121288750

約数列:

[1, 2, 11, 19, 22, 38, 103, 197, 206, 209, 361, 394, 418, 722, 1133, 1957, 2167, 2266, 3743, 3914, 3971, 4334, 7486, 7942, 20291, 21527, 37183, 40582, 41173, 43054, 71117, 74366, 82346, 142234, 223201, 385529, 409013, 446402, 771058, 782287, 818026, 1564574, 4240819, 7325051, 8481638, 14650102, 80575561, 161151122]

約数ペア:

[(1, 161151122), (2, 80575561), (11, 14650102), (19, 8481638), (22, 7325051), (38, 4240819), (103, 1564574), (197, 818026), (206, 782287), (209, 771058), (361, 446402), (394, 409013), (418, 385529), (722, 223201), (1133, 142234), (1957, 82346), (2167, 74366), (2266, 71117), (3743, 43054), (3914, 41173), (3971, 40582), (4334, 37183), (7486, 21527), (7942, 20291)]